Remove Gonk build directories

13 files changed, 0 insertions, 3012 deletions

diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp
deleted file mode 100644
index 7df72bf68e..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.cpp
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "GonkBufferItem.h"
-
-#include <ui/Fence.h>
-#include <ui/GraphicBuffer.h>
-
-#include <system/window.h>
-
-namespace android {
-
-GonkBufferItem::GonkBufferItem() :
-    mTransform(0),
-    mScalingMode(NATIVE_WINDOW_SCALING_MODE_FREEZE),
-    mTimestamp(0),
-    mIsAutoTimestamp(false),
-    mFrameNumber(0),
-    mSlot(INVALID_BUFFER_SLOT),
-    mIsDroppable(false),
-    mAcquireCalled(false),
-    mTransformToDisplayInverse(false) {
-    mCrop.makeInvalid();
-}
-
-GonkBufferItem::operator IGonkGraphicBufferConsumer::BufferItem() const {
-    IGonkGraphicBufferConsumer::BufferItem bufferItem;
-    bufferItem.mGraphicBuffer = mGraphicBuffer;
-    bufferItem.mFence = mFence;
-    bufferItem.mCrop = mCrop;
-    bufferItem.mTransform = mTransform;
-    bufferItem.mScalingMode = mScalingMode;
-    bufferItem.mTimestamp = mTimestamp;
-    bufferItem.mIsAutoTimestamp = mIsAutoTimestamp;
-    bufferItem.mFrameNumber = mFrameNumber;
-    bufferItem.mBuf = mSlot;
-    bufferItem.mIsDroppable = mIsDroppable;
-    bufferItem.mAcquireCalled = mAcquireCalled;
-    bufferItem.mTransformToDisplayInverse = mTransformToDisplayInverse;
-    return bufferItem;
-}
-
-size_t GonkBufferItem::getPodSize() const {
-    size_t c =  sizeof(mCrop) +
-            sizeof(mTransform) +
-            sizeof(mScalingMode) +
-            sizeof(mTimestamp) +
-            sizeof(mIsAutoTimestamp) +
-            sizeof(mFrameNumber) +
-            sizeof(mSlot) +
-            sizeof(mIsDroppable) +
-            sizeof(mAcquireCalled) +
-            sizeof(mTransformToDisplayInverse);
-    return c;
-}
-
-size_t GonkBufferItem::getFlattenedSize() const {
-    size_t c = 0;
-    if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFlattenedSize();
-        FlattenableUtils::align<4>(c);
-    }
-    if (mFence != 0) {
-        c += mFence->getFlattenedSize();
-        FlattenableUtils::align<4>(c);
-    }
-    return sizeof(int32_t) + c + getPodSize();
-}
-
-size_t GonkBufferItem::getFdCount() const {
-    size_t c = 0;
-    if (mGraphicBuffer != 0) {
-        c += mGraphicBuffer->getFdCount();
-    }
-    if (mFence != 0) {
-        c += mFence->getFdCount();
-    }
-    return c;
-}
-
-status_t GonkBufferItem::flatten(
-        void*& buffer, size_t& size, int*& fds, size_t& count) const {
-
-    // make sure we have enough space
-    if (count < GonkBufferItem::getFlattenedSize()) {
-        return NO_MEMORY;
-    }
-
-    // content flags are stored first
-    uint32_t& flags = *static_cast<uint32_t*>(buffer);
-
-    // advance the pointer
-    FlattenableUtils::advance(buffer, size, sizeof(uint32_t));
-
-    flags = 0;
-    if (mGraphicBuffer != 0) {
-        status_t err = mGraphicBuffer->flatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-        flags |= 1;
-    }
-    if (mFence != 0) {
-        status_t err = mFence->flatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-        flags |= 2;
-    }
-
-    // check we have enough space (in case flattening the fence/graphicbuffer lied to us)
-    if (size < getPodSize()) {
-        return NO_MEMORY;
-    }
-
-    FlattenableUtils::write(buffer, size, mCrop);
-    FlattenableUtils::write(buffer, size, mTransform);
-    FlattenableUtils::write(buffer, size, mScalingMode);
-    FlattenableUtils::write(buffer, size, mTimestamp);
-    FlattenableUtils::write(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::write(buffer, size, mFrameNumber);
-    FlattenableUtils::write(buffer, size, mSlot);
-    FlattenableUtils::write(buffer, size, mIsDroppable);
-    FlattenableUtils::write(buffer, size, mAcquireCalled);
-    FlattenableUtils::write(buffer, size, mTransformToDisplayInverse);
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferItem::unflatten(
-        void const*& buffer, size_t& size, int const*& fds, size_t& count) {
-
-    if (size < sizeof(uint32_t))
-        return NO_MEMORY;
-
-    uint32_t flags = 0;
-    FlattenableUtils::read(buffer, size, flags);
-
-    if (flags & 1) {
-        mGraphicBuffer = new GraphicBuffer();
-        status_t err = mGraphicBuffer->unflatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-    }
-
-    if (flags & 2) {
-        mFence = new Fence();
-        status_t err = mFence->unflatten(buffer, size, fds, count);
-        if (err) return err;
-        size -= FlattenableUtils::align<4>(buffer);
-    }
-
-    // check we have enough space
-    if (size < getPodSize()) {
-        return NO_MEMORY;
-    }
-
-    FlattenableUtils::read(buffer, size, mCrop);
-    FlattenableUtils::read(buffer, size, mTransform);
-    FlattenableUtils::read(buffer, size, mScalingMode);
-    FlattenableUtils::read(buffer, size, mTimestamp);
-    FlattenableUtils::read(buffer, size, mIsAutoTimestamp);
-    FlattenableUtils::read(buffer, size, mFrameNumber);
-    FlattenableUtils::read(buffer, size, mSlot);
-    FlattenableUtils::read(buffer, size, mIsDroppable);
-    FlattenableUtils::read(buffer, size, mAcquireCalled);
-    FlattenableUtils::read(buffer, size, mTransformToDisplayInverse);
-
-    return NO_ERROR;
-}
-
-const char* GonkBufferItem::scalingModeName(uint32_t scalingMode) {
-    switch (scalingMode) {
-        case NATIVE_WINDOW_SCALING_MODE_FREEZE: return "FREEZE";
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW: return "SCALE_TO_WINDOW";
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP: return "SCALE_CROP";
-        default: return "Unknown";
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.h
deleted file mode 100644
index b2d6d30681..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferItem.h
+++ /dev/null
@@ -1,101 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERITEM_LL_H
-#define NATIVEWINDOW_GONKBUFFERITEM_LL_H
-
-#include "IGonkGraphicBufferConsumerLL.h"
-
-#include <ui/Rect.h>
-
-#include <utils/Flattenable.h>
-#include <utils/StrongPointer.h>
-
-namespace android {
-
-class Fence;
-class GraphicBuffer;
-
-class GonkBufferItem : public Flattenable<GonkBufferItem> {
-    friend class Flattenable<GonkBufferItem>;
-    size_t getPodSize() const;
-    size_t getFlattenedSize() const;
-    size_t getFdCount() const;
-    status_t flatten(void*& buffer, size_t& size, int*& fds, size_t& count) const;
-    status_t unflatten(void const*& buffer, size_t& size, int const*& fds, size_t& count);
-
-    public:
-    // The default value of mBuf, used to indicate this doesn't correspond to a slot.
-    enum { INVALID_BUFFER_SLOT = -1 };
-    GonkBufferItem();
-    operator IGonkGraphicBufferConsumer::BufferItem() const;
-
-    static const char* scalingModeName(uint32_t scalingMode);
-
-    // mGraphicBuffer points to the buffer allocated for this slot, or is NULL
-    // if the buffer in this slot has been acquired in the past (see
-    // BufferSlot.mAcquireCalled).
-    sp<GraphicBuffer> mGraphicBuffer;
-
-    // mFence is a fence that will signal when the buffer is idle.
-    sp<Fence> mFence;
-
-    // mCrop is the current crop rectangle for this buffer slot.
-    Rect mCrop;
-
-    // mTransform is the current transform flags for this buffer slot.
-    // refer to NATIVE_WINDOW_TRANSFORM_* in <window.h>
-    uint32_t mTransform;
-
-    // mScalingMode is the current scaling mode for this buffer slot.
-    // refer to NATIVE_WINDOW_SCALING_* in <window.h>
-    uint32_t mScalingMode;
-
-    // mTimestamp is the current timestamp for this buffer slot. This gets
-    // to set by queueBuffer each time this slot is queued. This value
-    // is guaranteed to be monotonically increasing for each newly
-    // acquired buffer.
-    int64_t mTimestamp;
-
-    // mIsAutoTimestamp indicates whether mTimestamp was generated
-    // automatically when the buffer was queued.
-    bool mIsAutoTimestamp;
-
-    // mFrameNumber is the number of the queued frame for this slot.
-    uint64_t mFrameNumber;
-
-    // mSlot is the slot index of this buffer (default INVALID_BUFFER_SLOT).
-    int mSlot;
-
-    // mIsDroppable whether this buffer was queued with the
-    // property that it can be replaced by a new buffer for the purpose of
-    // making sure dequeueBuffer() won't block.
-    // i.e.: was the BufferQueue in "mDequeueBufferCannotBlock" when this buffer
-    // was queued.
-    bool mIsDroppable;
-
-    // Indicates whether this buffer has been seen by a consumer yet
-    bool mAcquireCalled;
-
-    // Indicates this buffer must be transformed by the inverse transform of the screen
-    // it is displayed onto. This is applied after mTransform.
-    bool mTransformToDisplayInverse;
-};
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.cpp
deleted file mode 100644
index 1d7eb27021..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.cpp
+++ /dev/null
@@ -1,559 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <inttypes.h>
-
-#define LOG_TAG "GonkBufferQueueConsumer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#include "GonkBufferItem.h"
-#include "GonkBufferQueueConsumer.h"
-#include "GonkBufferQueueCore.h"
-#include <gui/IConsumerListener.h>
-#include <gui/IProducerListener.h>
-
-namespace android {
-
-GonkBufferQueueConsumer::GonkBufferQueueConsumer(const sp<GonkBufferQueueCore>& core) :
-    mCore(core),
-    mSlots(core->mSlots),
-    mConsumerName() {}
-
-GonkBufferQueueConsumer::~GonkBufferQueueConsumer() {}
-
-status_t GonkBufferQueueConsumer::acquireBuffer(BufferItem* outBuffer,
-        nsecs_t expectedPresent) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mCore->mMutex);
-
-    // Check that the consumer doesn't currently have the maximum number of
-    // buffers acquired. We allow the max buffer count to be exceeded by one
-    // buffer so that the consumer can successfully set up the newly acquired
-    // buffer before releasing the old one.
-    int numAcquiredBuffers = 0;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        if (mSlots[s].mBufferState == GonkBufferSlot::ACQUIRED) {
-            ++numAcquiredBuffers;
-        }
-    }
-    if (numAcquiredBuffers >= mCore->mMaxAcquiredBufferCount + 1) {
-        ALOGE("acquireBuffer: max acquired buffer count reached: %d (max %d)",
-                numAcquiredBuffers, mCore->mMaxAcquiredBufferCount);
-        return INVALID_OPERATION;
-    }
-
-    // Check if the queue is empty.
-    // In asynchronous mode the list is guaranteed to be one buffer deep,
-    // while in synchronous mode we use the oldest buffer.
-    if (mCore->mQueue.empty()) {
-        return NO_BUFFER_AVAILABLE;
-    }
-
-    GonkBufferQueueCore::Fifo::iterator front(mCore->mQueue.begin());
-
-    // If expectedPresent is specified, we may not want to return a buffer yet.
-    // If it's specified and there's more than one buffer queued, we may want
-    // to drop a buffer.
-    if (expectedPresent != 0) {
-        const int MAX_REASONABLE_NSEC = 1000000000ULL; // 1 second
-
-        // The 'expectedPresent' argument indicates when the buffer is expected
-        // to be presented on-screen. If the buffer's desired present time is
-        // earlier (less) than expectedPresent -- meaning it will be displayed
-        // on time or possibly late if we show it as soon as possible -- we
-        // acquire and return it. If we don't want to display it until after the
-        // expectedPresent time, we return PRESENT_LATER without acquiring it.
-        //
-        // To be safe, we don't defer acquisition if expectedPresent is more
-        // than one second in the future beyond the desired present time
-        // (i.e., we'd be holding the buffer for a long time).
-        //
-        // NOTE: Code assumes monotonic time values from the system clock
-        // are positive.
-
-        // Start by checking to see if we can drop frames. We skip this check if
-        // the timestamps are being auto-generated by Surface. If the app isn't
-        // generating timestamps explicitly, it probably doesn't want frames to
-        // be discarded based on them.
-        while (mCore->mQueue.size() > 1 && !mCore->mQueue[0].mIsAutoTimestamp) {
-            // If entry[1] is timely, drop entry[0] (and repeat). We apply an
-            // additional criterion here: we only drop the earlier buffer if our
-            // desiredPresent falls within +/- 1 second of the expected present.
-            // Otherwise, bogus desiredPresent times (e.g., 0 or a small
-            // relative timestamp), which normally mean "ignore the timestamp
-            // and acquire immediately", would cause us to drop frames.
-            //
-            // We may want to add an additional criterion: don't drop the
-            // earlier buffer if entry[1]'s fence hasn't signaled yet.
-            const BufferItem& bufferItem(mCore->mQueue[1]);
-            nsecs_t desiredPresent = bufferItem.mTimestamp;
-            if (desiredPresent < expectedPresent - MAX_REASONABLE_NSEC ||
-                    desiredPresent > expectedPresent) {
-                // This buffer is set to display in the near future, or
-                // desiredPresent is garbage. Either way we don't want to drop
-                // the previous buffer just to get this on the screen sooner.
-                ALOGV("acquireBuffer: nodrop desire=%" PRId64 " expect=%"
-                        PRId64 " (%" PRId64 ") now=%" PRId64,
-                        desiredPresent, expectedPresent,
-                        desiredPresent - expectedPresent,
-                        systemTime(CLOCK_MONOTONIC));
-                break;
-            }
-
-            ALOGV("acquireBuffer: drop desire=%" PRId64 " expect=%" PRId64
-                    " size=%zu",
-                    desiredPresent, expectedPresent, mCore->mQueue.size());
-            if (mCore->stillTracking(front)) {
-                // Front buffer is still in mSlots, so mark the slot as free
-                mSlots[front->mSlot].mBufferState = GonkBufferSlot::FREE;
-            }
-            mCore->mQueue.erase(front);
-            front = mCore->mQueue.begin();
-        }
-
-        // See if the front buffer is due
-        nsecs_t desiredPresent = front->mTimestamp;
-        if (desiredPresent > expectedPresent &&
-                desiredPresent < expectedPresent + MAX_REASONABLE_NSEC) {
-            ALOGV("acquireBuffer: defer desire=%" PRId64 " expect=%" PRId64
-                    " (%" PRId64 ") now=%" PRId64,
-                    desiredPresent, expectedPresent,
-                    desiredPresent - expectedPresent,
-                    systemTime(CLOCK_MONOTONIC));
-            return PRESENT_LATER;
-        }
-
-        ALOGV("acquireBuffer: accept desire=%" PRId64 " expect=%" PRId64 " "
-                "(%" PRId64 ") now=%" PRId64, desiredPresent, expectedPresent,
-                desiredPresent - expectedPresent,
-                systemTime(CLOCK_MONOTONIC));
-    }
-
-    int slot = front->mSlot;
-    //*outBuffer = *front;
-    outBuffer->mGraphicBuffer = mSlots[slot].mGraphicBuffer;
-    outBuffer->mFrameNumber = mSlots[slot].mFrameNumber;
-    outBuffer->mBuf = slot;
-    outBuffer->mFence = mSlots[slot].mFence;
-
-    ATRACE_BUFFER_INDEX(slot);
-
-    ALOGV("acquireBuffer: acquiring { slot=%d/%" PRIu64 " buffer=%p }",
-            slot, front->mFrameNumber, front->mGraphicBuffer->handle);
-    // If the front buffer is still being tracked, update its slot state
-    if (mCore->stillTracking(front)) {
-        mSlots[slot].mAcquireCalled = true;
-        mSlots[slot].mNeedsCleanupOnRelease = false;
-        mSlots[slot].mBufferState = GonkBufferSlot::ACQUIRED;
-        mSlots[slot].mFence = Fence::NO_FENCE;
-    }
-
-    // If the buffer has previously been acquired by the consumer, set
-    // mGraphicBuffer to NULL to avoid unnecessarily remapping this buffer
-    // on the consumer side
-    //if (outBuffer->mAcquireCalled) {
-    //    outBuffer->mGraphicBuffer = NULL;
-    //}
-
-    mCore->mQueue.erase(front);
-
-    // We might have freed a slot while dropping old buffers, or the producer
-    // may be blocked waiting for the number of buffers in the queue to
-    // decrease.
-    mCore->mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::detachBuffer(int slot) {
-    ATRACE_CALL();
-    ATRACE_BUFFER_INDEX(slot);
-    ALOGV("detachBuffer(C): slot %d", slot);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("detachBuffer(C): GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGE("detachBuffer(C): slot index %d out of range [0, %d)",
-                slot, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return BAD_VALUE;
-    } else if (mSlots[slot].mBufferState != GonkBufferSlot::ACQUIRED) {
-        ALOGE("detachBuffer(C): slot %d is not owned by the consumer "
-                "(state = %d)", slot, mSlots[slot].mBufferState);
-        return BAD_VALUE;
-    }
-
-    mCore->freeBufferLocked(slot);
-    mCore->mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::attachBuffer(int* outSlot,
-        const sp<android::GraphicBuffer>& buffer) {
-    ATRACE_CALL();
-
-    if (outSlot == NULL) {
-        ALOGE("attachBuffer(P): outSlot must not be NULL");
-        return BAD_VALUE;
-    } else if (buffer == NULL) {
-        ALOGE("attachBuffer(P): cannot attach NULL buffer");
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    // Make sure we don't have too many acquired buffers and find a free slot
-    // to put the buffer into (the oldest if there are multiple).
-    int numAcquiredBuffers = 0;
-    int found = GonkBufferQueueCore::INVALID_BUFFER_SLOT;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        if (mSlots[s].mBufferState == GonkBufferSlot::ACQUIRED) {
-            ++numAcquiredBuffers;
-        } else if (mSlots[s].mBufferState == GonkBufferSlot::FREE) {
-            if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT ||
-                    mSlots[s].mFrameNumber < mSlots[found].mFrameNumber) {
-                found = s;
-            }
-        }
-    }
-
-    if (numAcquiredBuffers >= mCore->mMaxAcquiredBufferCount + 1) {
-        ALOGE("attachBuffer(P): max acquired buffer count reached: %d "
-                "(max %d)", numAcquiredBuffers,
-                mCore->mMaxAcquiredBufferCount);
-        return INVALID_OPERATION;
-    }
-    if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) {
-        ALOGE("attachBuffer(P): could not find free buffer slot");
-        return NO_MEMORY;
-    }
-
-    *outSlot = found;
-    ATRACE_BUFFER_INDEX(*outSlot);
-    ALOGV("attachBuffer(C): returning slot %d", *outSlot);
-
-    mSlots[*outSlot].mGraphicBuffer = buffer;
-    mSlots[*outSlot].mBufferState = GonkBufferSlot::ACQUIRED;
-    mSlots[*outSlot].mAttachedByConsumer = true;
-    mSlots[*outSlot].mNeedsCleanupOnRelease = false;
-    mSlots[*outSlot].mFence = Fence::NO_FENCE;
-    mSlots[*outSlot].mFrameNumber = 0;
-
-    // mAcquireCalled tells GonkBufferQueue that it doesn't need to send a valid
-    // GraphicBuffer pointer on the next acquireBuffer call, which decreases
-    // Binder traffic by not un/flattening the GraphicBuffer. However, it
-    // requires that the consumer maintain a cached copy of the slot <--> buffer
-    // mappings, which is why the consumer doesn't need the valid pointer on
-    // acquire.
-    //
-    // The StreamSplitter is one of the primary users of the attach/detach
-    // logic, and while it is running, all buffers it acquires are immediately
-    // detached, and all buffers it eventually releases are ones that were
-    // attached (as opposed to having been obtained from acquireBuffer), so it
-    // doesn't make sense to maintain the slot/buffer mappings, which would
-    // become invalid for every buffer during detach/attach. By setting this to
-    // false, the valid GraphicBuffer pointer will always be sent with acquire
-    // for attached buffers.
-    mSlots[*outSlot].mAcquireCalled = false;
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::releaseBuffer(int slot, uint64_t frameNumber,
-        const sp<Fence>& releaseFence) {
-    ATRACE_CALL();
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS ||
-            releaseFence == NULL) {
-        return BAD_VALUE;
-    }
-
-    sp<IProducerListener> listener;
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-
-        // If the frame number has changed because the buffer has been reallocated,
-        // we can ignore this releaseBuffer for the old buffer
-        //if (frameNumber != mSlots[slot].mFrameNumber) {
-        //    return STALE_BUFFER_SLOT;
-        //}
-
-        // Make sure this buffer hasn't been queued while acquired by the consumer
-        GonkBufferQueueCore::Fifo::iterator current(mCore->mQueue.begin());
-        while (current != mCore->mQueue.end()) {
-            if (current->mSlot == slot) {
-                ALOGE("releaseBuffer: buffer slot %d pending release is "
-                        "currently queued", slot);
-                return BAD_VALUE;
-            }
-            ++current;
-        }
-
-        if (mSlots[slot].mBufferState == GonkBufferSlot::ACQUIRED) {
-            mSlots[slot].mFence = releaseFence;
-            mSlots[slot].mBufferState = GonkBufferSlot::FREE;
-            listener = mCore->mConnectedProducerListener;
-            ALOGV("releaseBuffer: releasing slot %d", slot);
-        } else if (mSlots[slot].mNeedsCleanupOnRelease) {
-            ALOGV("releaseBuffer: releasing a stale buffer slot %d "
-                    "(state = %d)", slot, mSlots[slot].mBufferState);
-            mSlots[slot].mNeedsCleanupOnRelease = false;
-            return STALE_BUFFER_SLOT;
-        } else {
-            ALOGV("releaseBuffer: attempted to release buffer slot %d "
-                    "but its state was %d", slot, mSlots[slot].mBufferState);
-            return BAD_VALUE;
-        }
-
-        mCore->mDequeueCondition.broadcast();
-    } // Autolock scope
-
-    // Call back without lock held
-    if (listener != NULL) {
-        listener->onBufferReleased();
-    }
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::connect(
-        const sp<IConsumerListener>& consumerListener, bool controlledByApp) {
-    ATRACE_CALL();
-
-    if (consumerListener == NULL) {
-        ALOGE("connect(C): consumerListener may not be NULL");
-        return BAD_VALUE;
-    }
-
-    ALOGV("connect(C): controlledByApp=%s",
-            controlledByApp ? "true" : "false");
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("connect(C): GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    mCore->mConsumerListener = consumerListener;
-    mCore->mConsumerControlledByApp = controlledByApp;
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::disconnect() {
-    ATRACE_CALL();
-
-    ALOGV("disconnect(C)");
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mConsumerListener == NULL) {
-        ALOGE("disconnect(C): no consumer is connected");
-        return BAD_VALUE;
-    }
-
-    mCore->mIsAbandoned = true;
-    mCore->mConsumerListener = NULL;
-    mCore->mQueue.clear();
-    mCore->freeAllBuffersLocked();
-    mCore->mDequeueCondition.broadcast();
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::getReleasedBuffers(uint64_t *outSlotMask) {
-    ATRACE_CALL();
-
-    if (outSlotMask == NULL) {
-        ALOGE("getReleasedBuffers: outSlotMask may not be NULL");
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("getReleasedBuffers: GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    uint64_t mask = 0;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        if (!mSlots[s].mAcquireCalled) {
-            mask |= (1ULL << s);
-        }
-    }
-
-    // Remove from the mask queued buffers for which acquire has been called,
-    // since the consumer will not receive their buffer addresses and so must
-    // retain their cached information
-    GonkBufferQueueCore::Fifo::iterator current(mCore->mQueue.begin());
-    while (current != mCore->mQueue.end()) {
-        if (current->mAcquireCalled) {
-            mask &= ~(1ULL << current->mSlot);
-        }
-        ++current;
-    }
-
-    ALOGV("getReleasedBuffers: returning mask %#" PRIx64, mask);
-    *outSlotMask = mask;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setDefaultBufferSize(uint32_t width,
-        uint32_t height) {
-    ATRACE_CALL();
-
-    if (width == 0 || height == 0) {
-        ALOGV("setDefaultBufferSize: dimensions cannot be 0 (width=%u "
-                "height=%u)", width, height);
-        return BAD_VALUE;
-    }
-
-    ALOGV("setDefaultBufferSize: width=%u height=%u", width, height);
-
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mDefaultWidth = width;
-    mCore->mDefaultHeight = height;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setDefaultMaxBufferCount(int bufferCount) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mCore->mMutex);
-    return mCore->setDefaultMaxBufferCountLocked(bufferCount);
-}
-
-status_t GonkBufferQueueConsumer::disableAsyncBuffer() {
-    ATRACE_CALL();
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mConsumerListener != NULL) {
-        ALOGE("disableAsyncBuffer: consumer already connected");
-        return INVALID_OPERATION;
-    }
-
-    ALOGV("disableAsyncBuffer");
-    mCore->mUseAsyncBuffer = false;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setMaxAcquiredBufferCount(
-        int maxAcquiredBuffers) {
-    ATRACE_CALL();
-
-    if (maxAcquiredBuffers < 1 ||
-            maxAcquiredBuffers > GonkBufferQueueCore::MAX_MAX_ACQUIRED_BUFFERS) {
-        ALOGE("setMaxAcquiredBufferCount: invalid count %d",
-                maxAcquiredBuffers);
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mConnectedApi != GonkBufferQueueCore::NO_CONNECTED_API) {
-        ALOGE("setMaxAcquiredBufferCount: producer is already connected");
-        return INVALID_OPERATION;
-    }
-
-    ALOGV("setMaxAcquiredBufferCount: %d", maxAcquiredBuffers);
-    mCore->mMaxAcquiredBufferCount = maxAcquiredBuffers;
-    return NO_ERROR;
-}
-
-void GonkBufferQueueConsumer::setConsumerName(const String8& name) {
-    ATRACE_CALL();
-    ALOGV("setConsumerName: '%s'", name.string());
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mConsumerName = name;
-    mConsumerName = name;
-}
-
-status_t GonkBufferQueueConsumer::setDefaultBufferFormat(uint32_t defaultFormat) {
-    ATRACE_CALL();
-    ALOGV("setDefaultBufferFormat: %u", defaultFormat);
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mDefaultBufferFormat = defaultFormat;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setConsumerUsageBits(uint32_t usage) {
-    ATRACE_CALL();
-    ALOGV("setConsumerUsageBits: %#x", usage);
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mConsumerUsageBits = usage;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueConsumer::setTransformHint(uint32_t hint) {
-    ATRACE_CALL();
-    ALOGV("setTransformHint: %#x", hint);
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->mTransformHint = hint;
-    return NO_ERROR;
-}
-
-sp<NativeHandle> GonkBufferQueueConsumer::getSidebandStream() const {
-    return mCore->mSidebandStream;
-}
-
-void GonkBufferQueueConsumer::dumpToString(String8& result, const char* prefix) const {
-    mCore->dump(result, prefix);
-}
-
-already_AddRefed<GonkBufferSlot::TextureClient>
-GonkBufferQueueConsumer::getTextureClientFromBuffer(ANativeWindowBuffer* buffer)
-{
-    Mutex::Autolock _l(mCore->mMutex);
-    if (buffer == NULL) {
-        ALOGE("getSlotFromBufferLocked: encountered NULL buffer");
-        return nullptr;
-    }
-
-    for (int i = 0; i < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mGraphicBuffer != NULL && mSlots[i].mGraphicBuffer->handle == buffer->handle) {
-            RefPtr<TextureClient> client(mSlots[i].mTextureClient);
-            return client.forget();
-        }
-    }
-    ALOGE("getSlotFromBufferLocked: unknown buffer: %p", buffer->handle);
-    return nullptr;
-}
-
-int
-GonkBufferQueueConsumer::getSlotFromTextureClientLocked(GonkBufferSlot::TextureClient* client) const
-{
-    if (client == NULL) {
-        ALOGE("getSlotFromBufferLocked: encountered NULL buffer");
-        return BAD_VALUE;
-    }
-
-    for (int i = 0; i < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; i++) {
-        if (mSlots[i].mTextureClient == client) {
-            return i;
-        }
-    }
-    ALOGE("getSlotFromBufferLocked: unknown TextureClient: %p", client);
-    return BAD_VALUE;
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.h
deleted file mode 100644
index a97cfab428..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueConsumer.h
+++ /dev/null
@@ -1,173 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUECONSUMER_LL_H
-#define NATIVEWINDOW_GONKBUFFERQUEUECONSUMER_LL_H
-
-#include "GonkBufferQueueDefs.h"
-#include "IGonkGraphicBufferConsumerLL.h"
-
-namespace android {
-
-class GonkBufferQueueCore;
-
-class GonkBufferQueueConsumer : public BnGonkGraphicBufferConsumer {
-
-public:
-    GonkBufferQueueConsumer(const sp<GonkBufferQueueCore>& core);
-    virtual ~GonkBufferQueueConsumer();
-
-    // acquireBuffer attempts to acquire ownership of the next pending buffer in
-    // the GonkBufferQueue. If no buffer is pending then it returns
-    // NO_BUFFER_AVAILABLE. If a buffer is successfully acquired, the
-    // information about the buffer is returned in BufferItem.  If the buffer
-    // returned had previously been acquired then the BufferItem::mGraphicBuffer
-    // field of buffer is set to NULL and it is assumed that the consumer still
-    // holds a reference to the buffer.
-    //
-    // If expectedPresent is nonzero, it indicates the time when the buffer
-    // will be displayed on screen. If the buffer's timestamp is farther in the
-    // future, the buffer won't be acquired, and PRESENT_LATER will be
-    // returned.  The presentation time is in nanoseconds, and the time base
-    // is CLOCK_MONOTONIC.
-    virtual status_t acquireBuffer(BufferItem* outBuffer,
-            nsecs_t expectedPresent);
-
-    // See IGonkGraphicBufferConsumer::detachBuffer
-    virtual status_t detachBuffer(int slot);
-
-    // See IGonkGraphicBufferConsumer::attachBuffer
-    virtual status_t attachBuffer(int* slot, const sp<GraphicBuffer>& buffer);
-
-    // releaseBuffer releases a buffer slot from the consumer back to the
-    // GonkBufferQueue.  This may be done while the buffer's contents are still
-    // being accessed.  The fence will signal when the buffer is no longer
-    // in use. frameNumber is used to indentify the exact buffer returned.
-    //
-    // If releaseBuffer returns STALE_BUFFER_SLOT, then the consumer must free
-    // any references to the just-released buffer that it might have, as if it
-    // had received a onBuffersReleased() call with a mask set for the released
-    // buffer.
-    virtual status_t releaseBuffer(int slot, uint64_t frameNumber,
-            const sp<Fence>& releaseFence);
-
-    // connect connects a consumer to the GonkBufferQueue.  Only one
-    // consumer may be connected, and when that consumer disconnects the
-    // GonkBufferQueue is placed into the "abandoned" state, causing most
-    // interactions with the GonkBufferQueue by the producer to fail.
-    // controlledByApp indicates whether the consumer is controlled by
-    // the application.
-    //
-    // consumerListener may not be NULL.
-    virtual status_t connect(const sp<IConsumerListener>& consumerListener,
-            bool controlledByApp);
-
-    // disconnect disconnects a consumer from the GonkBufferQueue. All
-    // buffers will be freed and the GonkBufferQueue is placed in the "abandoned"
-    // state, causing most interactions with the GonkBufferQueue by the producer to
-    // fail.
-    virtual status_t disconnect();
-
-    // getReleasedBuffers sets the value pointed to by outSlotMask to a bit mask
-    // indicating which buffer slots have been released by the GonkBufferQueue
-    // but have not yet been released by the consumer.
-    //
-    // This should be called from the onBuffersReleased() callback.
-    virtual status_t getReleasedBuffers(uint64_t* outSlotMask);
-
-    // setDefaultBufferSize is used to set the size of buffers returned by
-    // dequeueBuffer when a width and height of zero is requested.  Default
-    // is 1x1.
-    virtual status_t setDefaultBufferSize(uint32_t width, uint32_t height);
-
-    // setDefaultMaxBufferCount sets the default value for the maximum buffer
-    // count (the initial default is 2). If the producer has requested a
-    // buffer count using setBufferCount, the default buffer count will only
-    // take effect if the producer sets the count back to zero.
-    //
-    // The count must be between 2 and NUM_BUFFER_SLOTS, inclusive.
-    virtual status_t setDefaultMaxBufferCount(int bufferCount);
-
-    // disableAsyncBuffer disables the extra buffer used in async mode
-    // (when both producer and consumer have set their "isControlledByApp"
-    // flag) and has dequeueBuffer() return WOULD_BLOCK instead.
-    //
-    // This can only be called before connect().
-    virtual status_t disableAsyncBuffer();
-
-    // setMaxAcquiredBufferCount sets the maximum number of buffers that can
-    // be acquired by the consumer at one time (default 1).  This call will
-    // fail if a producer is connected to the GonkBufferQueue.
-    virtual status_t setMaxAcquiredBufferCount(int maxAcquiredBuffers);
-
-    // setConsumerName sets the name used in logging
-    virtual void setConsumerName(const String8& name);
-
-    // setDefaultBufferFormat allows the GonkBufferQueue to create
-    // GraphicBuffers of a defaultFormat if no format is specified
-    // in dequeueBuffer.  Formats are enumerated in graphics.h; the
-    // initial default is HAL_PIXEL_FORMAT_RGBA_8888.
-    virtual status_t setDefaultBufferFormat(uint32_t defaultFormat);
-
-    // setConsumerUsageBits will turn on additional usage bits for dequeueBuffer.
-    // These are merged with the bits passed to dequeueBuffer.  The values are
-    // enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER; the default is 0.
-    virtual status_t setConsumerUsageBits(uint32_t usage);
-
-    // setTransformHint bakes in rotation to buffers so overlays can be used.
-    // The values are enumerated in window.h, e.g.
-    // NATIVE_WINDOW_TRANSFORM_ROT_90.  The default is 0 (no transform).
-    virtual status_t setTransformHint(uint32_t hint);
-
-    // Retrieve the sideband buffer stream, if any.
-    virtual sp<NativeHandle> getSidebandStream() const;
-
-    // dump our state in a String
-    virtual void dumpToString(String8& result, const char* prefix) const;
-
-    // Added by mozilla
-    virtual already_AddRefed<GonkBufferSlot::TextureClient> getTextureClientFromBuffer(ANativeWindowBuffer* buffer);
-
-    virtual int getSlotFromTextureClientLocked(GonkBufferSlot::TextureClient* client) const;
-
-    // Functions required for backwards compatibility.
-    // These will be modified/renamed in IGonkGraphicBufferConsumer and will be
-    // removed from this class at that time. See b/13306289.
-    virtual status_t consumerConnect(const sp<IConsumerListener>& consumer,
-            bool controlledByApp) {
-        return connect(consumer, controlledByApp);
-    }
-
-    virtual status_t consumerDisconnect() { return disconnect(); }
-
-    // End functions required for backwards compatibility
-
-private:
-    sp<GonkBufferQueueCore> mCore;
-
-    // This references mCore->mSlots. Lock mCore->mMutex while accessing.
-    GonkBufferQueueDefs::SlotsType& mSlots;
-
-    // This is a cached copy of the name stored in the GonkBufferQueueCore.
-    // It's updated during setConsumerName.
-    String8 mConsumerName;
-
-}; // class GonkBufferQueueConsumer
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.cpp
deleted file mode 100644
index 9e8e337f69..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.cpp
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "GonkBufferQueueCore"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#include <inttypes.h>
-
-#include "GonkBufferItem.h"
-#include "GonkBufferQueueCore.h"
-#include <gui/IConsumerListener.h>
-#include <gui/IGraphicBufferAlloc.h>
-#include <gui/IProducerListener.h>
-#include <gui/ISurfaceComposer.h>
-#include <private/gui/ComposerService.h>
-
-#include <cutils/compiler.h>
-#include "mozilla/layers/GrallocTextureClient.h"
-#include "mozilla/layers/ImageBridgeChild.h"
-
-template <typename T>
-static inline T max(T a, T b) { return a > b ? a : b; }
-
-namespace android {
-
-static String8 getUniqueName() {
-    static volatile int32_t counter = 0;
-    return String8::format("unnamed-%d-%d", getpid(),
-            android_atomic_inc(&counter));
-}
-
-GonkBufferQueueCore::GonkBufferQueueCore(const sp<IGraphicBufferAlloc>& allocator) :
-    mAllocator(allocator),
-    mMutex(),
-    mIsAbandoned(false),
-    mConsumerControlledByApp(false),
-    mConsumerName(getUniqueName()),
-    mConsumerListener(),
-    mConsumerUsageBits(0),
-    mConnectedApi(NO_CONNECTED_API),
-    mConnectedProducerListener(),
-    mSlots(),
-    mQueue(),
-    mOverrideMaxBufferCount(0),
-    mDequeueCondition(),
-    mUseAsyncBuffer(true),
-    mDequeueBufferCannotBlock(false),
-    mDefaultBufferFormat(PIXEL_FORMAT_RGBA_8888),
-    mDefaultWidth(1),
-    mDefaultHeight(1),
-    mDefaultMaxBufferCount(2),
-    mMaxAcquiredBufferCount(1),
-    mBufferHasBeenQueued(false),
-    mFrameCounter(0),
-    mTransformHint(0),
-    mIsAllocating(false),
-    mIsAllocatingCondition()
-{
-    ALOGV("GonkBufferQueueCore");
-}
-
-GonkBufferQueueCore::~GonkBufferQueueCore() {}
-
-void GonkBufferQueueCore::dump(String8& result, const char* prefix) const {
-    Mutex::Autolock lock(mMutex);
-
-    String8 fifo;
-    Fifo::const_iterator current(mQueue.begin());
-    while (current != mQueue.end()) {
-        fifo.appendFormat("%02d:%p crop=[%d,%d,%d,%d], "
-                "xform=0x%02x, time=%#" PRIx64 ", scale=%s\n",
-                current->mSlot, current->mGraphicBuffer.get(),
-                current->mCrop.left, current->mCrop.top, current->mCrop.right,
-                current->mCrop.bottom, current->mTransform, current->mTimestamp,
-                GonkBufferItem::scalingModeName(current->mScalingMode));
-        ++current;
-    }
-
-    result.appendFormat("%s-GonkBufferQueue mMaxAcquiredBufferCount=%d, "
-            "mDequeueBufferCannotBlock=%d, default-size=[%dx%d], "
-            "default-format=%d, transform-hint=%02x, FIFO(%zu)={%s}\n",
-            prefix, mMaxAcquiredBufferCount, mDequeueBufferCannotBlock,
-            mDefaultWidth, mDefaultHeight, mDefaultBufferFormat, mTransformHint,
-            mQueue.size(), fifo.string());
-
-    // Trim the free buffers so as to not spam the dump
-    int maxBufferCount = 0;
-    for (int s = GonkBufferQueueDefs::NUM_BUFFER_SLOTS - 1; s >= 0; --s) {
-        const GonkBufferSlot& slot(mSlots[s]);
-        if (slot.mBufferState != GonkBufferSlot::FREE ||
-                slot.mGraphicBuffer != NULL) {
-            maxBufferCount = s + 1;
-            break;
-        }
-    }
-
-    for (int s = 0; s < maxBufferCount; ++s) {
-        const GonkBufferSlot& slot(mSlots[s]);
-        const sp<GraphicBuffer>& buffer(slot.mGraphicBuffer);
-        result.appendFormat("%s%s[%02d:%p] state=%-8s", prefix,
-                (slot.mBufferState == GonkBufferSlot::ACQUIRED) ? ">" : " ",
-                s, buffer.get(),
-                GonkBufferSlot::bufferStateName(slot.mBufferState));
-
-        if (buffer != NULL) {
-            result.appendFormat(", %p [%4ux%4u:%4u,%3X]", buffer->handle,
-                    buffer->width, buffer->height, buffer->stride,
-                    buffer->format);
-        }
-
-        result.append("\n");
-    }
-}
-
-int GonkBufferQueueCore::getMinUndequeuedBufferCountLocked(bool async) const {
-    // If dequeueBuffer is allowed to error out, we don't have to add an
-    // extra buffer.
-    if (!mUseAsyncBuffer) {
-        return mMaxAcquiredBufferCount;
-    }
-
-    if (mDequeueBufferCannotBlock || async) {
-        return mMaxAcquiredBufferCount + 1;
-    }
-
-    return mMaxAcquiredBufferCount;
-}
-
-int GonkBufferQueueCore::getMinMaxBufferCountLocked(bool async) const {
-    return getMinUndequeuedBufferCountLocked(async) + 1;
-}
-
-int GonkBufferQueueCore::getMaxBufferCountLocked(bool async) const {
-    int minMaxBufferCount = getMinMaxBufferCountLocked(async);
-
-    int maxBufferCount = max(mDefaultMaxBufferCount, minMaxBufferCount);
-    if (mOverrideMaxBufferCount != 0) {
-        assert(mOverrideMaxBufferCount >= minMaxBufferCount);
-        maxBufferCount = mOverrideMaxBufferCount;
-    }
-
-    // Any buffers that are dequeued by the producer or sitting in the queue
-    // waiting to be consumed need to have their slots preserved. Such buffers
-    // will temporarily keep the max buffer count up until the slots no longer
-    // need to be preserved.
-    for (int s = maxBufferCount; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        GonkBufferSlot::BufferState state = mSlots[s].mBufferState;
-        if (state == GonkBufferSlot::QUEUED || state == GonkBufferSlot::DEQUEUED) {
-            maxBufferCount = s + 1;
-        }
-    }
-
-    return maxBufferCount;
-}
-
-status_t GonkBufferQueueCore::setDefaultMaxBufferCountLocked(int count) {
-    const int minBufferCount = 2;
-    if (count < minBufferCount || count > GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGV("setDefaultMaxBufferCount: invalid count %d, should be in "
-                "[%d, %d]",
-                count, minBufferCount, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return BAD_VALUE;
-    }
-
-    ALOGV("setDefaultMaxBufferCount: setting count to %d", count);
-    mDefaultMaxBufferCount = count;
-    mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-void GonkBufferQueueCore::freeBufferLocked(int slot) {
-    ALOGV("freeBufferLocked: slot %d", slot);
-
-    if (mSlots[slot].mTextureClient) {
-        mSlots[slot].mTextureClient->ClearRecycleCallback();
-        // release TextureClient in ImageBridge thread
-        RefPtr<TextureClientReleaseTask> task =
-          MakeAndAddRef<TextureClientReleaseTask>(mSlots[slot].mTextureClient);
-        mSlots[slot].mTextureClient = NULL;
-        ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget());
-    }
-    mSlots[slot].mGraphicBuffer.clear();
-    if (mSlots[slot].mBufferState == GonkBufferSlot::ACQUIRED) {
-        mSlots[slot].mNeedsCleanupOnRelease = true;
-    }
-    mSlots[slot].mBufferState = GonkBufferSlot::FREE;
-    mSlots[slot].mFrameNumber = UINT32_MAX;
-    mSlots[slot].mAcquireCalled = false;
-
-    // Destroy fence as GonkBufferQueue now takes ownership
-    mSlots[slot].mFence = Fence::NO_FENCE;
-}
-
-void GonkBufferQueueCore::freeAllBuffersLocked() {
-    ALOGW_IF(!mQueue.isEmpty(),
-            "freeAllBuffersLocked called but mQueue is not empty");
-    mQueue.clear();
-    mBufferHasBeenQueued = false;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        freeBufferLocked(s);
-    }
-}
-
-bool GonkBufferQueueCore::stillTracking(const GonkBufferItem* item) const {
-    const GonkBufferSlot& slot = mSlots[item->mSlot];
-
-    ALOGV("stillTracking: item { slot=%d/%" PRIu64 " buffer=%p } "
-            "slot { slot=%d/%" PRIu64 " buffer=%p }",
-            item->mSlot, item->mFrameNumber,
-            (item->mGraphicBuffer.get() ? item->mGraphicBuffer->handle : 0),
-            item->mSlot, slot.mFrameNumber,
-            (slot.mGraphicBuffer.get() ? slot.mGraphicBuffer->handle : 0));
-
-    // Compare item with its original buffer slot. We can check the slot as
-    // the buffer would not be moved to a different slot by the producer.
-    return (slot.mGraphicBuffer != NULL) &&
-           (item->mGraphicBuffer->handle == slot.mGraphicBuffer->handle);
-}
-
-void GonkBufferQueueCore::waitWhileAllocatingLocked() const {
-    ATRACE_CALL();
-    while (mIsAllocating) {
-        mIsAllocatingCondition.wait(mMutex);
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.h
deleted file mode 100644
index 936e11686c..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueCore.h
+++ /dev/null
@@ -1,251 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUECORE_LL_H
-#define NATIVEWINDOW_GONKBUFFERQUEUECORE_LL_H
-
-#include "GonkBufferQueueDefs.h"
-#include "GonkBufferSlot.h"
-
-#include <utils/Condition.h>
-#include <utils/Mutex.h>
-#include <utils/NativeHandle.h>
-#include <utils/RefBase.h>
-#include <utils/String8.h>
-#include <utils/StrongPointer.h>
-#include <utils/Trace.h>
-#include <utils/Vector.h>
-
-#include "mozilla/layers/TextureClient.h"
-
-#define ATRACE_BUFFER_INDEX(index)
-
-using namespace mozilla;
-using namespace mozilla::gfx;
-using namespace mozilla::layers;
-
-namespace android {
-
-class GonkBufferItem;
-class IConsumerListener;
-class IGraphicBufferAlloc;
-class IProducerListener;
-
-class GonkBufferQueueCore : public virtual RefBase {
-
-    friend class GonkBufferQueueProducer;
-    friend class GonkBufferQueueConsumer;
-
-public:
-    // Used as a placeholder slot number when the value isn't pointing to an
-    // existing buffer.
-    enum { INVALID_BUFFER_SLOT = -1 }; // TODO: Extract from IGBC::BufferItem
-
-    // We reserve two slots in order to guarantee that the producer and
-    // consumer can run asynchronously.
-    enum { MAX_MAX_ACQUIRED_BUFFERS = GonkBufferQueueDefs::NUM_BUFFER_SLOTS - 2 };
-
-    // The default API number used to indicate that no producer is connected
-    enum { NO_CONNECTED_API = 0 };
-
-    typedef Vector<GonkBufferItem> Fifo;
-    typedef mozilla::layers::TextureClient TextureClient;
-
-    // GonkBufferQueueCore manages a pool of gralloc memory slots to be used by
-    // producers and consumers. allocator is used to allocate all the needed
-    // gralloc buffers.
-    GonkBufferQueueCore(const sp<IGraphicBufferAlloc>& allocator = NULL);
-    virtual ~GonkBufferQueueCore();
-
-private:
-    // Dump our state in a string
-    void dump(String8& result, const char* prefix) const;
-
-    int getSlotFromTextureClientLocked(TextureClient* client) const;
-
-    // getMinUndequeuedBufferCountLocked returns the minimum number of buffers
-    // that must remain in a state other than DEQUEUED. The async parameter
-    // tells whether we're in asynchronous mode.
-    int getMinUndequeuedBufferCountLocked(bool async) const;
-
-    // getMinMaxBufferCountLocked returns the minimum number of buffers allowed
-    // given the current GonkBufferQueue state. The async parameter tells whether
-    // we're in asynchonous mode.
-    int getMinMaxBufferCountLocked(bool async) const;
-
-    // getMaxBufferCountLocked returns the maximum number of buffers that can be
-    // allocated at once. This value depends on the following member variables:
-    //
-    //     mDequeueBufferCannotBlock
-    //     mMaxAcquiredBufferCount
-    //     mDefaultMaxBufferCount
-    //     mOverrideMaxBufferCount
-    //     async parameter
-    //
-    // Any time one of these member variables is changed while a producer is
-    // connected, mDequeueCondition must be broadcast.
-    int getMaxBufferCountLocked(bool async) const;
-
-    // setDefaultMaxBufferCountLocked sets the maximum number of buffer slots
-    // that will be used if the producer does not override the buffer slot
-    // count. The count must be between 2 and NUM_BUFFER_SLOTS, inclusive. The
-    // initial default is 2.
-    status_t setDefaultMaxBufferCountLocked(int count);
-
-    // freeBufferLocked frees the GraphicBuffer and sync resources for the
-    // given slot.
-    void freeBufferLocked(int slot);
-
-    // freeAllBuffersLocked frees the GraphicBuffer and sync resources for
-    // all slots.
-    void freeAllBuffersLocked();
-
-    // stillTracking returns true iff the buffer item is still being tracked
-    // in one of the slots.
-    bool stillTracking(const GonkBufferItem* item) const;
-
-    // waitWhileAllocatingLocked blocks until mIsAllocating is false.
-    void waitWhileAllocatingLocked() const;
-
-    // mAllocator is the connection to SurfaceFlinger that is used to allocate
-    // new GraphicBuffer objects.
-    sp<IGraphicBufferAlloc> mAllocator;
-
-    // mMutex is the mutex used to prevent concurrent access to the member
-    // variables of GonkBufferQueueCore objects. It must be locked whenever any
-    // member variable is accessed.
-    mutable Mutex mMutex;
-
-    // mIsAbandoned indicates that the GonkBufferQueue will no longer be used to
-    // consume image buffers pushed to it using the IGraphicBufferProducer
-    // interface. It is initialized to false, and set to true in the
-    // consumerDisconnect method. A GonkBufferQueue that is abandoned will return
-    // the NO_INIT error from all IGraphicBufferProducer methods capable of
-    // returning an error.
-    bool mIsAbandoned;
-
-    // mConsumerControlledByApp indicates whether the connected consumer is
-    // controlled by the application.
-    bool mConsumerControlledByApp;
-
-    // mConsumerName is a string used to identify the GonkBufferQueue in log
-    // messages. It is set by the IGraphicBufferConsumer::setConsumerName
-    // method.
-    String8 mConsumerName;
-
-    // mConsumerListener is used to notify the connected consumer of
-    // asynchronous events that it may wish to react to. It is initially
-    // set to NULL and is written by consumerConnect and consumerDisconnect.
-    sp<IConsumerListener> mConsumerListener;
-
-    // mConsumerUsageBits contains flags that the consumer wants for
-    // GraphicBuffers.
-    uint32_t mConsumerUsageBits;
-
-    // mConnectedApi indicates the producer API that is currently connected
-    // to this GonkBufferQueue. It defaults to NO_CONNECTED_API, and gets updated
-    // by the connect and disconnect methods.
-    int mConnectedApi;
-
-    // mConnectedProducerToken is used to set a binder death notification on
-    // the producer.
-    sp<IProducerListener> mConnectedProducerListener;
-
-    // mSlots is an array of buffer slots that must be mirrored on the producer
-    // side. This allows buffer ownership to be transferred between the producer
-    // and consumer without sending a GraphicBuffer over Binder. The entire
-    // array is initialized to NULL at construction time, and buffers are
-    // allocated for a slot when requestBuffer is called with that slot's index.
-    GonkBufferQueueDefs::SlotsType mSlots;
-
-    // mQueue is a FIFO of queued buffers used in synchronous mode.
-    Fifo mQueue;
-
-    // mOverrideMaxBufferCount is the limit on the number of buffers that will
-    // be allocated at one time. This value is set by the producer by calling
-    // setBufferCount. The default is 0, which means that the producer doesn't
-    // care about the number of buffers in the pool. In that case,
-    // mDefaultMaxBufferCount is used as the limit.
-    int mOverrideMaxBufferCount;
-
-    // mDequeueCondition is a condition variable used for dequeueBuffer in
-    // synchronous mode.
-    mutable Condition mDequeueCondition;
-
-    // mUseAsyncBuffer indicates whether an extra buffer is used in async mode
-    // to prevent dequeueBuffer from blocking.
-    bool mUseAsyncBuffer;
-
-    // mDequeueBufferCannotBlock indicates whether dequeueBuffer is allowed to
-    // block. This flag is set during connect when both the producer and
-    // consumer are controlled by the application.
-    bool mDequeueBufferCannotBlock;
-
-    // mDefaultBufferFormat can be set so it will override the buffer format
-    // when it isn't specified in dequeueBuffer.
-    uint32_t mDefaultBufferFormat;
-
-    // mDefaultWidth holds the default width of allocated buffers. It is used
-    // in dequeueBuffer if a width and height of 0 are specified.
-    int mDefaultWidth;
-
-    // mDefaultHeight holds the default height of allocated buffers. It is used
-    // in dequeueBuffer if a width and height of 0 are specified.
-    int mDefaultHeight;
-
-    // mDefaultMaxBufferCount is the default limit on the number of buffers that
-    // will be allocated at one time. This default limit is set by the consumer.
-    // The limit (as opposed to the default limit) may be overriden by the
-    // producer.
-    int mDefaultMaxBufferCount;
-
-    // mMaxAcquiredBufferCount is the number of buffers that the consumer may
-    // acquire at one time. It defaults to 1, and can be changed by the consumer
-    // via setMaxAcquiredBufferCount, but this may only be done while no
-    // producer is connected to the GonkBufferQueue. This value is used to derive
-    // the value returned for the MIN_UNDEQUEUED_BUFFERS query to the producer.
-    int mMaxAcquiredBufferCount;
-
-    // mBufferHasBeenQueued is true once a buffer has been queued. It is reset
-    // when something causes all buffers to be freed (e.g., changing the buffer
-    // count).
-    bool mBufferHasBeenQueued;
-
-    // mFrameCounter is the free running counter, incremented on every
-    // successful queueBuffer call and buffer allocation.
-    uint64_t mFrameCounter;
-
-    // mTransformHint is used to optimize for screen rotations.
-    uint32_t mTransformHint;
-
-    // mSidebandStream is a handle to the sideband buffer stream, if any
-    sp<NativeHandle> mSidebandStream;
-
-    // mIsAllocating indicates whether a producer is currently trying to allocate buffers (which
-    // releases mMutex while doing the allocation proper). Producers should not modify any of the
-    // FREE slots while this is true. mIsAllocatingCondition is signaled when this value changes to
-    // false.
-    bool mIsAllocating;
-
-    // mIsAllocatingCondition is a condition variable used by producers to wait until mIsAllocating
-    // becomes false.
-    mutable Condition mIsAllocatingCondition;
-}; // class GonkBufferQueueCore
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueDefs.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueDefs.h
deleted file mode 100644
index 60085706f5..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueDefs.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_BUFFERQUEUECOREDEFS_H
-#define NATIVEWINDOW_BUFFERQUEUECOREDEFS_H
-
-#include "GonkBufferSlot.h"
-
-namespace android {
-    class GonkBufferQueueCore;
-
-    namespace GonkBufferQueueDefs {
-        // GonkBufferQueue will keep track of at most this value of buffers.
-        // Attempts at runtime to increase the number of buffers past this
-        // will fail.
-        enum { NUM_BUFFER_SLOTS = 64 };
-
-        typedef GonkBufferSlot SlotsType[NUM_BUFFER_SLOTS];
-    } // namespace GonkBufferQueueDefs
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.cpp
deleted file mode 100644
index 649d06bee8..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.cpp
+++ /dev/null
@@ -1,96 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#define LOG_TAG "GonkBufferQueue"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-#define LOG_NDEBUG 0
-
-#include "GonkBufferQueue.h"
-#include "GonkBufferQueueConsumer.h"
-#include "GonkBufferQueueCore.h"
-#include "GonkBufferQueueProducer.h"
-
-namespace android {
-
-GonkBufferQueue::ProxyConsumerListener::ProxyConsumerListener(
-        const wp<ConsumerListener>& consumerListener):
-        mConsumerListener(consumerListener) {}
-
-GonkBufferQueue::ProxyConsumerListener::~ProxyConsumerListener() {}
-
-#if ANDROID_VERSION == 21
-void GonkBufferQueue::ProxyConsumerListener::onFrameAvailable() {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onFrameAvailable();
-    }
-}
-#else
-void GonkBufferQueue::ProxyConsumerListener::onFrameAvailable(const ::android::BufferItem& item) {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onFrameAvailable(item);
-    }
-}
-
-void GonkBufferQueue::ProxyConsumerListener::onFrameReplaced(const ::android::BufferItem& item) {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onFrameReplaced(item);
-    }
-}
-#endif
-
-void GonkBufferQueue::ProxyConsumerListener::onBuffersReleased() {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-}
-
-void GonkBufferQueue::ProxyConsumerListener::onSidebandStreamChanged() {
-    sp<ConsumerListener> listener(mConsumerListener.promote());
-    if (listener != NULL) {
-        listener->onSidebandStreamChanged();
-    }
-}
-
-void GonkBufferQueue::createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
-        sp<IGonkGraphicBufferConsumer>* outConsumer,
-        const sp<IGraphicBufferAlloc>& allocator) {
-    LOG_ALWAYS_FATAL_IF(outProducer == NULL,
-            "GonkBufferQueue: outProducer must not be NULL");
-    LOG_ALWAYS_FATAL_IF(outConsumer == NULL,
-            "GonkBufferQueue: outConsumer must not be NULL");
-
-    sp<GonkBufferQueueCore> core(new GonkBufferQueueCore(allocator));
-    LOG_ALWAYS_FATAL_IF(core == NULL,
-            "GonkBufferQueue: failed to create GonkBufferQueueCore");
-
-    sp<IGraphicBufferProducer> producer(new GonkBufferQueueProducer(core));
-    LOG_ALWAYS_FATAL_IF(producer == NULL,
-            "GonkBufferQueue: failed to create GonkBufferQueueProducer");
-
-    sp<IGonkGraphicBufferConsumer> consumer(new GonkBufferQueueConsumer(core));
-    LOG_ALWAYS_FATAL_IF(consumer == NULL,
-            "GonkBufferQueue: failed to create GonkBufferQueueConsumer");
-
-    *outProducer = producer;
-    *outConsumer = consumer;
-}
-
-}; // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.h
deleted file mode 100644
index b1b4e06b52..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueLL.h
+++ /dev/null
@@ -1,94 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUE_LL_H
-#define NATIVEWINDOW_GONKBUFFERQUEUE_LL_H
-
-#include "GonkBufferQueueDefs.h"
-#include "IGonkGraphicBufferConsumerLL.h"
-#include <gui/IGraphicBufferProducer.h>
-#include <gui/IConsumerListener.h>
-
-// These are only required to keep other parts of the framework with incomplete
-// dependencies building successfully
-#include <gui/IGraphicBufferAlloc.h>
-
-namespace android {
-
-class GonkBufferQueue {
-public:
-    // GonkBufferQueue will keep track of at most this value of buffers.
-    // Attempts at runtime to increase the number of buffers past this will fail.
-    enum { NUM_BUFFER_SLOTS = GonkBufferQueueDefs::NUM_BUFFER_SLOTS };
-    // Used as a placeholder slot# when the value isn't pointing to an existing buffer.
-    enum { INVALID_BUFFER_SLOT = IGonkGraphicBufferConsumer::BufferItem::INVALID_BUFFER_SLOT };
-    // Alias to <IGonkGraphicBufferConsumer.h> -- please scope from there in future code!
-    enum {
-        NO_BUFFER_AVAILABLE = IGonkGraphicBufferConsumer::NO_BUFFER_AVAILABLE,
-        PRESENT_LATER = IGonkGraphicBufferConsumer::PRESENT_LATER,
-    };
-
-    // When in async mode we reserve two slots in order to guarantee that the
-    // producer and consumer can run asynchronously.
-    enum { MAX_MAX_ACQUIRED_BUFFERS = NUM_BUFFER_SLOTS - 2 };
-
-    // for backward source compatibility
-    typedef ::android::ConsumerListener ConsumerListener;
-    typedef IGonkGraphicBufferConsumer::BufferItem BufferItem;
-
-    // ProxyConsumerListener is a ConsumerListener implementation that keeps a weak
-    // reference to the actual consumer object.  It forwards all calls to that
-    // consumer object so long as it exists.
-    //
-    // This class exists to avoid having a circular reference between the
-    // GonkBufferQueue object and the consumer object.  The reason this can't be a weak
-    // reference in the GonkBufferQueue class is because we're planning to expose the
-    // consumer side of a GonkBufferQueue as a binder interface, which doesn't support
-    // weak references.
-    class ProxyConsumerListener : public BnConsumerListener {
-    public:
-        ProxyConsumerListener(const wp<ConsumerListener>& consumerListener);
-        virtual ~ProxyConsumerListener();
-#if ANDROID_VERSION == 21
-        virtual void onFrameAvailable();
-#else
-        virtual void onFrameAvailable(const ::android::BufferItem& item);
-        virtual void onFrameReplaced(const ::android::BufferItem& item);
-#endif
-        virtual void onBuffersReleased();
-        virtual void onSidebandStreamChanged();
-    private:
-        // mConsumerListener is a weak reference to the IConsumerListener.  This is
-        // the raison d'etre of ProxyConsumerListener.
-        wp<ConsumerListener> mConsumerListener;
-    };
-
-    // GonkBufferQueue manages a pool of gralloc memory slots to be used by
-    // producers and consumers. allocator is used to allocate all the
-    // needed gralloc buffers.
-    static void createBufferQueue(sp<IGraphicBufferProducer>* outProducer,
-            sp<IGonkGraphicBufferConsumer>* outConsumer,
-            const sp<IGraphicBufferAlloc>& allocator = NULL);
-
-private:
-    GonkBufferQueue(); // Create through createBufferQueue
-};
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-
-#endif // NATIVEWINDOW_GONKBUFFERQUEUE_LL_H
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.cpp
deleted file mode 100644
index d3436756fb..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.cpp
+++ /dev/null
@@ -1,886 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <inttypes.h>
-
-#define LOG_TAG "GonkBufferQueueProducer"
-#define ATRACE_TAG ATRACE_TAG_GRAPHICS
-//#define LOG_NDEBUG 0
-
-#include "GonkBufferItem.h"
-#include "GonkBufferQueueCore.h"
-#include "GonkBufferQueueProducer.h"
-#include <gui/IConsumerListener.h>
-#include <gui/IGraphicBufferAlloc.h>
-#include <gui/IProducerListener.h>
-
-#include <cutils/compiler.h>
-#include <utils/Log.h>
-#include <utils/Trace.h>
-
-#include "mozilla/layers/GrallocTextureClient.h"
-#include "mozilla/layers/ImageBridgeChild.h"
-#include "mozilla/layers/TextureClient.h"
-
-namespace android {
-
-GonkBufferQueueProducer::GonkBufferQueueProducer(const sp<GonkBufferQueueCore>& core) :
-    mCore(core),
-    mSlots(core->mSlots),
-    mConsumerName(),
-    mSynchronousMode(true),
-    mStickyTransform(0) {}
-
-GonkBufferQueueProducer::~GonkBufferQueueProducer() {}
-
-status_t GonkBufferQueueProducer::requestBuffer(int slot, sp<GraphicBuffer>* buf) {
-    ATRACE_CALL();
-    ALOGV("requestBuffer: slot %d", slot);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("requestBuffer: GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGE("requestBuffer: slot index %d out of range [0, %d)",
-                slot, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return BAD_VALUE;
-    } else if (mSlots[slot].mBufferState != GonkBufferSlot::DEQUEUED) {
-        ALOGE("requestBuffer: slot %d is not owned by the producer "
-                "(state = %d)", slot, mSlots[slot].mBufferState);
-        return BAD_VALUE;
-    }
-
-    mSlots[slot].mRequestBufferCalled = true;
-    *buf = mSlots[slot].mGraphicBuffer;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::setBufferCount(int bufferCount) {
-    ATRACE_CALL();
-    ALOGV("setBufferCount: count = %d", bufferCount);
-
-    sp<IConsumerListener> listener;
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-        mCore->waitWhileAllocatingLocked();
-
-        if (mCore->mIsAbandoned) {
-            ALOGE("setBufferCount: GonkBufferQueue has been abandoned");
-            return NO_INIT;
-        }
-
-        if (bufferCount > GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-            ALOGE("setBufferCount: bufferCount %d too large (max %d)",
-                    bufferCount, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-            return BAD_VALUE;
-        }
-
-        // There must be no dequeued buffers when changing the buffer count.
-        for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-            if (mSlots[s].mBufferState == GonkBufferSlot::DEQUEUED) {
-                ALOGE("setBufferCount: buffer owned by producer");
-                return BAD_VALUE;
-            }
-        }
-
-        if (bufferCount == 0) {
-            mCore->mOverrideMaxBufferCount = 0;
-            mCore->mDequeueCondition.broadcast();
-            return NO_ERROR;
-        }
-
-        const int minBufferSlots = mCore->getMinMaxBufferCountLocked(false);
-        if (bufferCount < minBufferSlots) {
-            ALOGE("setBufferCount: requested buffer count %d is less than "
-                    "minimum %d", bufferCount, minBufferSlots);
-            return BAD_VALUE;
-        }
-
-        // Here we are guaranteed that the producer doesn't have any dequeued
-        // buffers and will release all of its buffer references. We don't
-        // clear the queue, however, so that currently queued buffers still
-        // get displayed.
-        mCore->freeAllBuffersLocked();
-        mCore->mOverrideMaxBufferCount = bufferCount;
-        mCore->mDequeueCondition.broadcast();
-        listener = mCore->mConsumerListener;
-    } // Autolock scope
-
-    // Call back without lock held
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::waitForFreeSlotThenRelock(const char* caller,
-        bool async, int* found, status_t* returnFlags) const {
-    bool tryAgain = true;
-    while (tryAgain) {
-        if (mCore->mIsAbandoned) {
-            ALOGE("%s: GonkBufferQueue has been abandoned", caller);
-            return NO_INIT;
-        }
-
-        const int maxBufferCount = mCore->getMaxBufferCountLocked(async);
-        if (async && mCore->mOverrideMaxBufferCount) {
-            // FIXME: Some drivers are manually setting the buffer count
-            // (which they shouldn't), so we do this extra test here to
-            // handle that case. This is TEMPORARY until we get this fixed.
-            if (mCore->mOverrideMaxBufferCount < maxBufferCount) {
-                ALOGE("%s: async mode is invalid with buffer count override",
-                        caller);
-                return BAD_VALUE;
-            }
-        }
-
-        // Free up any buffers that are in slots beyond the max buffer count
-        //for (int s = maxBufferCount; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        //    assert(mSlots[s].mBufferState == GonkBufferSlot::FREE);
-        //    if (mSlots[s].mGraphicBuffer != NULL) {
-        //        mCore->freeBufferLocked(s);
-        //        *returnFlags |= RELEASE_ALL_BUFFERS;
-        //    }
-        //}
-
-        // Look for a free buffer to give to the client
-        *found = GonkBufferQueueCore::INVALID_BUFFER_SLOT;
-        int dequeuedCount = 0;
-        int acquiredCount = 0;
-        for (int s = 0; s < maxBufferCount; ++s) {
-            switch (mSlots[s].mBufferState) {
-                case GonkBufferSlot::DEQUEUED:
-                    ++dequeuedCount;
-                    break;
-                case GonkBufferSlot::ACQUIRED:
-                    ++acquiredCount;
-                    break;
-                case GonkBufferSlot::FREE:
-                    // We return the oldest of the free buffers to avoid
-                    // stalling the producer if possible, since the consumer
-                    // may still have pending reads of in-flight buffers
-                    if (*found == GonkBufferQueueCore::INVALID_BUFFER_SLOT ||
-                            mSlots[s].mFrameNumber < mSlots[*found].mFrameNumber) {
-                        *found = s;
-                    }
-                    break;
-                default:
-                    break;
-            }
-        }
-
-        // Producers are not allowed to dequeue more than one buffer if they
-        // did not set a buffer count
-        if (!mCore->mOverrideMaxBufferCount && dequeuedCount) {
-            ALOGE("%s: can't dequeue multiple buffers without setting the "
-                    "buffer count", caller);
-            return INVALID_OPERATION;
-        }
-
-        // See whether a buffer has been queued since the last
-        // setBufferCount so we know whether to perform the min undequeued
-        // buffers check below
-        if (mCore->mBufferHasBeenQueued) {
-            // Make sure the producer is not trying to dequeue more buffers
-            // than allowed
-            const int newUndequeuedCount =
-                maxBufferCount - (dequeuedCount + 1);
-            const int minUndequeuedCount =
-                mCore->getMinUndequeuedBufferCountLocked(async);
-            if (newUndequeuedCount < minUndequeuedCount) {
-                ALOGE("%s: min undequeued buffer count (%d) exceeded "
-                        "(dequeued=%d undequeued=%d)",
-                        caller, minUndequeuedCount,
-                        dequeuedCount, newUndequeuedCount);
-                return INVALID_OPERATION;
-            }
-        }
-
-        // If we disconnect and reconnect quickly, we can be in a state where
-        // our slots are empty but we have many buffers in the queue. This can
-        // cause us to run out of memory if we outrun the consumer. Wait here if
-        // it looks like we have too many buffers queued up.
-        bool tooManyBuffers = mCore->mQueue.size()
-                            > static_cast<size_t>(maxBufferCount);
-        if (tooManyBuffers) {
-            ALOGV("%s: queue size is %zu, waiting", caller,
-                    mCore->mQueue.size());
-        }
-
-        // If no buffer is found, or if the queue has too many buffers
-        // outstanding, wait for a buffer to be acquired or released, or for the
-        // max buffer count to change.
-        tryAgain = (*found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) ||
-                   tooManyBuffers;
-        if (tryAgain) {
-            // Return an error if we're in non-blocking mode (producer and
-            // consumer are controlled by the application).
-            // However, the consumer is allowed to briefly acquire an extra
-            // buffer (which could cause us to have to wait here), which is
-            // okay, since it is only used to implement an atomic acquire +
-            // release (e.g., in GLConsumer::updateTexImage())
-            if (mCore->mDequeueBufferCannotBlock &&
-                    (acquiredCount <= mCore->mMaxAcquiredBufferCount)) {
-                return WOULD_BLOCK;
-            }
-            mCore->mDequeueCondition.wait(mCore->mMutex);
-        }
-    } // while (tryAgain)
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::dequeueBuffer(int *outSlot,
-        sp<android::Fence> *outFence, bool async,
-        uint32_t width, uint32_t height, uint32_t format, uint32_t usage) {
-    ATRACE_CALL();
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-        mConsumerName = mCore->mConsumerName;
-    } // Autolock scope
-
-    ALOGV("dequeueBuffer: async=%s w=%u h=%u format=%#x, usage=%#x",
-            async ? "true" : "false", width, height, format, usage);
-
-    if ((width && !height) || (!width && height)) {
-        ALOGE("dequeueBuffer: invalid size: w=%u h=%u", width, height);
-        return BAD_VALUE;
-    }
-
-    status_t returnFlags = NO_ERROR;
-    // Reset slot
-    *outSlot = GonkBufferQueueCore::INVALID_BUFFER_SLOT;
-
-    bool attachedByConsumer = false;
-
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-        mCore->waitWhileAllocatingLocked();
-
-        if (format == 0) {
-            format = mCore->mDefaultBufferFormat;
-        }
-
-        // Enable the usage bits the consumer requested
-        usage |= mCore->mConsumerUsageBits;
-
-        int found;
-        status_t status = waitForFreeSlotThenRelock("dequeueBuffer", async,
-                &found, &returnFlags);
-        if (status != NO_ERROR) {
-            return status;
-        }
-
-        // This should not happen
-        if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) {
-            ALOGE("dequeueBuffer: no available buffer slots");
-            return -EBUSY;
-        }
-
-        *outSlot = found;
-
-        attachedByConsumer = mSlots[found].mAttachedByConsumer;
-
-        const bool useDefaultSize = !width && !height;
-        if (useDefaultSize) {
-            width = mCore->mDefaultWidth;
-            height = mCore->mDefaultHeight;
-        }
-
-        mSlots[found].mBufferState = GonkBufferSlot::DEQUEUED;
-
-        const sp<GraphicBuffer>& buffer(mSlots[found].mGraphicBuffer);
-        if ((buffer == NULL) ||
-                (static_cast<uint32_t>(buffer->width) != width) ||
-                (static_cast<uint32_t>(buffer->height) != height) ||
-                (static_cast<uint32_t>(buffer->format) != format) ||
-                ((static_cast<uint32_t>(buffer->usage) & usage) != usage))
-        {
-            mSlots[found].mAcquireCalled = false;
-            mSlots[found].mGraphicBuffer = NULL;
-            mSlots[found].mRequestBufferCalled = false;
-            mSlots[found].mFence = Fence::NO_FENCE;
-
-            if (mSlots[found].mTextureClient) {
-                mSlots[found].mTextureClient->ClearRecycleCallback();
-                // release TextureClient in ImageBridge thread
-                RefPtr<TextureClientReleaseTask> task =
-                  MakeAndAddRef<TextureClientReleaseTask>(mSlots[found].mTextureClient);
-                mSlots[found].mTextureClient = NULL;
-                ImageBridgeChild::GetSingleton()->GetMessageLoop()->PostTask(task.forget());
-            }
-
-            returnFlags |= BUFFER_NEEDS_REALLOCATION;
-        }
-
-        if (CC_UNLIKELY(mSlots[found].mFence == NULL)) {
-            ALOGE("dequeueBuffer: about to return a NULL fence - "
-                    "slot=%d w=%d h=%d format=%u",
-                    found, buffer->width, buffer->height, buffer->format);
-        }
-
-        *outFence = mSlots[found].mFence;
-        mSlots[found].mFence = Fence::NO_FENCE;
-    } // Autolock scope
-
-    if (returnFlags & BUFFER_NEEDS_REALLOCATION) {
-        RefPtr<LayersIPCChannel> allocator = ImageBridgeChild::GetSingleton();
-        usage |= GraphicBuffer::USAGE_HW_TEXTURE;
-        GrallocTextureData* texData = GrallocTextureData::Create(IntSize(width,height), format,
-                                                                 gfx::BackendType::NONE,
-                                                                 usage, allocator);
-        if (!texData) {
-            ALOGE("dequeueBuffer: failed to alloc gralloc buffer");
-            return -ENOMEM;
-        }
-        RefPtr<TextureClient> textureClient = TextureClient::CreateWithData(
-            texData, TextureFlags::RECYCLE | TextureFlags::DEALLOCATE_CLIENT, allocator);
-
-        sp<GraphicBuffer> graphicBuffer = texData->GetGraphicBuffer();
-
-        { // Autolock scope
-            Mutex::Autolock lock(mCore->mMutex);
-
-            if (mCore->mIsAbandoned) {
-                ALOGE("dequeueBuffer: GonkBufferQueue has been abandoned");
-                return NO_INIT;
-            }
-
-            mSlots[*outSlot].mFrameNumber = UINT32_MAX;
-            mSlots[*outSlot].mGraphicBuffer = graphicBuffer;
-            mSlots[*outSlot].mTextureClient = textureClient;
-        } // Autolock scope
-    }
-
-    if (attachedByConsumer) {
-        returnFlags |= BUFFER_NEEDS_REALLOCATION;
-    }
-
-    ALOGV("dequeueBuffer: returning slot=%d/%" PRIu64 " buf=%p flags=%#x",
-            *outSlot,
-            mSlots[*outSlot].mFrameNumber,
-            mSlots[*outSlot].mGraphicBuffer->handle, returnFlags);
-
-    return returnFlags;
-}
-
-status_t GonkBufferQueueProducer::detachBuffer(int slot) {
-    ATRACE_CALL();
-    ATRACE_BUFFER_INDEX(slot);
-    ALOGV("detachBuffer(P): slot %d", slot);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("detachBuffer(P): GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGE("detachBuffer(P): slot index %d out of range [0, %d)",
-                slot, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return BAD_VALUE;
-    } else if (mSlots[slot].mBufferState != GonkBufferSlot::DEQUEUED) {
-        ALOGE("detachBuffer(P): slot %d is not owned by the producer "
-                "(state = %d)", slot, mSlots[slot].mBufferState);
-        return BAD_VALUE;
-    } else if (!mSlots[slot].mRequestBufferCalled) {
-        ALOGE("detachBuffer(P): buffer in slot %d has not been requested",
-                slot);
-        return BAD_VALUE;
-    }
-
-    mCore->freeBufferLocked(slot);
-    mCore->mDequeueCondition.broadcast();
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::detachNextBuffer(sp<GraphicBuffer>* outBuffer,
-        sp<Fence>* outFence) {
-    ATRACE_CALL();
-
-    if (outBuffer == NULL) {
-        ALOGE("detachNextBuffer: outBuffer must not be NULL");
-        return BAD_VALUE;
-    } else if (outFence == NULL) {
-        ALOGE("detachNextBuffer: outFence must not be NULL");
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->waitWhileAllocatingLocked();
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("detachNextBuffer: GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    // Find the oldest valid slot
-    int found = GonkBufferQueueCore::INVALID_BUFFER_SLOT;
-    for (int s = 0; s < GonkBufferQueueDefs::NUM_BUFFER_SLOTS; ++s) {
-        if (mSlots[s].mBufferState == GonkBufferSlot::FREE &&
-                mSlots[s].mGraphicBuffer != NULL) {
-            if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT ||
-                    mSlots[s].mFrameNumber < mSlots[found].mFrameNumber) {
-                found = s;
-            }
-        }
-    }
-
-    if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) {
-        return NO_MEMORY;
-    }
-
-    ALOGV("detachNextBuffer detached slot %d", found);
-
-    *outBuffer = mSlots[found].mGraphicBuffer;
-    *outFence = mSlots[found].mFence;
-    mCore->freeBufferLocked(found);
-
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::attachBuffer(int* outSlot,
-        const sp<android::GraphicBuffer>& buffer) {
-    ATRACE_CALL();
-
-    if (outSlot == NULL) {
-        ALOGE("attachBuffer(P): outSlot must not be NULL");
-        return BAD_VALUE;
-    } else if (buffer == NULL) {
-        ALOGE("attachBuffer(P): cannot attach NULL buffer");
-        return BAD_VALUE;
-    }
-
-    Mutex::Autolock lock(mCore->mMutex);
-    mCore->waitWhileAllocatingLocked();
-
-    status_t returnFlags = NO_ERROR;
-    int found;
-    // TODO: Should we provide an async flag to attachBuffer? It seems
-    // unlikely that buffers which we are attaching to a GonkBufferQueue will
-    // be asynchronous (droppable), but it may not be impossible.
-    status_t status = waitForFreeSlotThenRelock("attachBuffer(P)", false,
-            &found, &returnFlags);
-    if (status != NO_ERROR) {
-        return status;
-    }
-
-    // This should not happen
-    if (found == GonkBufferQueueCore::INVALID_BUFFER_SLOT) {
-        ALOGE("attachBuffer(P): no available buffer slots");
-        return -EBUSY;
-    }
-
-    *outSlot = found;
-    ATRACE_BUFFER_INDEX(*outSlot);
-    ALOGV("attachBuffer(P): returning slot %d flags=%#x",
-            *outSlot, returnFlags);
-
-    mSlots[*outSlot].mGraphicBuffer = buffer;
-    mSlots[*outSlot].mBufferState = GonkBufferSlot::DEQUEUED;
-    mSlots[*outSlot].mFence = Fence::NO_FENCE;
-    mSlots[*outSlot].mRequestBufferCalled = true;
-
-    return returnFlags;
-}
-
-status_t GonkBufferQueueProducer::setSynchronousMode(bool enabled) {
-    ALOGV("setSynchronousMode: enabled=%d", enabled);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("setSynchronousMode: BufferQueue has been abandoned!");
-        return NO_INIT;
-    }
-
-    if (mSynchronousMode != enabled) {
-        mSynchronousMode = enabled;
-        mCore->mDequeueCondition.broadcast();
-    }
-    return OK;
-}
-
-status_t GonkBufferQueueProducer::queueBuffer(int slot,
-        const QueueBufferInput &input, QueueBufferOutput *output) {
-    ATRACE_CALL();
-
-    int64_t timestamp;
-    bool isAutoTimestamp;
-    Rect crop;
-    int scalingMode;
-    uint32_t transform;
-    uint32_t stickyTransform;
-    bool async;
-    sp<Fence> fence;
-    input.deflate(&timestamp, &isAutoTimestamp, &crop, &scalingMode, &transform,
-            &async, &fence, &stickyTransform);
-
-    if (fence == NULL) {
-        ALOGE("queueBuffer: fence is NULL");
-        // Temporary workaround for b/17946343: soldier-on instead of returning an error. This
-        // prevents the client from dying, at the risk of visible corruption due to hwcomposer
-        // reading the buffer before the producer is done rendering it. Unless the buffer is the
-        // last frame of an animation, the corruption will be transient.
-        fence = Fence::NO_FENCE;
-        // return BAD_VALUE;
-    }
-
-    switch (scalingMode) {
-        case NATIVE_WINDOW_SCALING_MODE_FREEZE:
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_TO_WINDOW:
-        case NATIVE_WINDOW_SCALING_MODE_SCALE_CROP:
-        case NATIVE_WINDOW_SCALING_MODE_NO_SCALE_CROP:
-            break;
-        default:
-            ALOGE("queueBuffer: unknown scaling mode %d", scalingMode);
-            return BAD_VALUE;
-    }
-
-    GonkBufferItem item;
-    sp<IConsumerListener> listener;
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-
-        if (mCore->mIsAbandoned) {
-            ALOGE("queueBuffer: GonkBufferQueue has been abandoned");
-            return NO_INIT;
-        }
-
-        const int maxBufferCount = mCore->getMaxBufferCountLocked(async);
-        if (async && mCore->mOverrideMaxBufferCount) {
-            // FIXME: Some drivers are manually setting the buffer count
-            // (which they shouldn't), so we do this extra test here to
-            // handle that case. This is TEMPORARY until we get this fixed.
-            if (mCore->mOverrideMaxBufferCount < maxBufferCount) {
-                ALOGE("queueBuffer: async mode is invalid with "
-                        "buffer count override");
-                return BAD_VALUE;
-            }
-        }
-
-        if (slot < 0 || slot >= maxBufferCount) {
-            ALOGE("queueBuffer: slot index %d out of range [0, %d)",
-                    slot, maxBufferCount);
-            return BAD_VALUE;
-        } else if (mSlots[slot].mBufferState != GonkBufferSlot::DEQUEUED) {
-            ALOGE("queueBuffer: slot %d is not owned by the producer "
-                    "(state = %d)", slot, mSlots[slot].mBufferState);
-            return BAD_VALUE;
-        } else if (!mSlots[slot].mRequestBufferCalled) {
-            ALOGE("queueBuffer: slot %d was queued without requesting "
-                    "a buffer", slot);
-            return BAD_VALUE;
-        }
-
-        ALOGV("queueBuffer: slot=%d/%" PRIu64 " time=%" PRIu64
-                " crop=[%d,%d,%d,%d] transform=%#x scale=%s",
-                slot, mCore->mFrameCounter + 1, timestamp,
-                crop.left, crop.top, crop.right, crop.bottom,
-                transform, GonkBufferItem::scalingModeName(scalingMode));
-
-        const sp<GraphicBuffer>& graphicBuffer(mSlots[slot].mGraphicBuffer);
-        Rect bufferRect(graphicBuffer->getWidth(), graphicBuffer->getHeight());
-        Rect croppedRect;
-        crop.intersect(bufferRect, &croppedRect);
-        if (croppedRect != crop) {
-            ALOGE("queueBuffer: crop rect is not contained within the "
-                    "buffer in slot %d", slot);
-            return BAD_VALUE;
-        }
-
-        mSlots[slot].mFence = fence;
-        mSlots[slot].mBufferState = GonkBufferSlot::QUEUED;
-        ++mCore->mFrameCounter;
-        mSlots[slot].mFrameNumber = mCore->mFrameCounter;
-
-        item.mAcquireCalled = mSlots[slot].mAcquireCalled;
-        item.mGraphicBuffer = mSlots[slot].mGraphicBuffer;
-        item.mCrop = crop;
-        item.mTransform = transform & ~NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY;
-        item.mTransformToDisplayInverse =
-                bool(transform & NATIVE_WINDOW_TRANSFORM_INVERSE_DISPLAY);
-        item.mScalingMode = scalingMode;
-        item.mTimestamp = timestamp;
-        item.mIsAutoTimestamp = isAutoTimestamp;
-        item.mFrameNumber = mCore->mFrameCounter;
-        item.mSlot = slot;
-        item.mFence = fence;
-        item.mIsDroppable = mCore->mDequeueBufferCannotBlock || async;
-
-        mStickyTransform = stickyTransform;
-
-        if (mCore->mQueue.empty()) {
-            // When the queue is empty, we can ignore mDequeueBufferCannotBlock
-            // and simply queue this buffer
-            mCore->mQueue.push_back(item);
-            listener = mCore->mConsumerListener;
-        } else {
-            // When the queue is not empty, we need to look at the front buffer
-            // state to see if we need to replace it
-            GonkBufferQueueCore::Fifo::iterator front(mCore->mQueue.begin());
-            if (front->mIsDroppable || !mSynchronousMode) {
-                // If the front queued buffer is still being tracked, we first
-                // mark it as freed
-                if (mCore->stillTracking(front)) {
-                    mSlots[front->mSlot].mBufferState = GonkBufferSlot::FREE;
-                    // Reset the frame number of the freed buffer so that it is
-                    // the first in line to be dequeued again
-                    mSlots[front->mSlot].mFrameNumber = 0;
-                }
-                // Overwrite the droppable buffer with the incoming one
-                *front = item;
-                listener = mCore->mConsumerListener;
-            } else {
-                mCore->mQueue.push_back(item);
-                listener = mCore->mConsumerListener;
-            }
-        }
-
-        mCore->mBufferHasBeenQueued = true;
-        mCore->mDequeueCondition.broadcast();
-
-        output->inflate(mCore->mDefaultWidth, mCore->mDefaultHeight,
-                mCore->mTransformHint, mCore->mQueue.size());
-
-        item.mGraphicBuffer.clear();
-        item.mSlot = GonkBufferItem::INVALID_BUFFER_SLOT;
-    } // Autolock scope
-
-    // Call back without lock held
-    if (listener != NULL) {
-#if ANDROID_VERSION == 21
-        listener->onFrameAvailable();
-#else
-        listener->onFrameAvailable(reinterpret_cast<::android::BufferItem&>(item));
-#endif
-    }
-
-    return NO_ERROR;
-}
-
-void GonkBufferQueueProducer::cancelBuffer(int slot, const sp<Fence>& fence) {
-    ATRACE_CALL();
-    ALOGV("cancelBuffer: slot %d", slot);
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("cancelBuffer: GonkBufferQueue has been abandoned");
-        return;
-    }
-
-    if (slot < 0 || slot >= GonkBufferQueueDefs::NUM_BUFFER_SLOTS) {
-        ALOGE("cancelBuffer: slot index %d out of range [0, %d)",
-                slot, GonkBufferQueueDefs::NUM_BUFFER_SLOTS);
-        return;
-    } else if (mSlots[slot].mBufferState != GonkBufferSlot::DEQUEUED) {
-        ALOGE("cancelBuffer: slot %d is not owned by the producer "
-                "(state = %d)", slot, mSlots[slot].mBufferState);
-        return;
-    } else if (fence == NULL) {
-        ALOGE("cancelBuffer: fence is NULL");
-        return;
-    }
-
-    mSlots[slot].mBufferState = GonkBufferSlot::FREE;
-    mSlots[slot].mFrameNumber = 0;
-    mSlots[slot].mFence = fence;
-    mCore->mDequeueCondition.broadcast();
-}
-
-int GonkBufferQueueProducer::query(int what, int *outValue) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mCore->mMutex);
-
-    if (outValue == NULL) {
-        ALOGE("query: outValue was NULL");
-        return BAD_VALUE;
-    }
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("query: GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    int value;
-    switch (what) {
-        case NATIVE_WINDOW_WIDTH:
-            value = mCore->mDefaultWidth;
-            break;
-        case NATIVE_WINDOW_HEIGHT:
-            value = mCore->mDefaultHeight;
-            break;
-        case NATIVE_WINDOW_FORMAT:
-            value = mCore->mDefaultBufferFormat;
-            break;
-        case NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS:
-            value = mCore->getMinUndequeuedBufferCountLocked(false);
-            break;
-        case NATIVE_WINDOW_STICKY_TRANSFORM:
-            value = static_cast<int>(mStickyTransform);
-            break;
-        case NATIVE_WINDOW_CONSUMER_RUNNING_BEHIND:
-            value = (mCore->mQueue.size() > 1);
-            break;
-        case NATIVE_WINDOW_CONSUMER_USAGE_BITS:
-            value = mCore->mConsumerUsageBits;
-            break;
-        default:
-            return BAD_VALUE;
-    }
-
-    ALOGV("query: %d? %d", what, value);
-    *outValue = value;
-    return NO_ERROR;
-}
-
-status_t GonkBufferQueueProducer::connect(const sp<IProducerListener>& listener,
-        int api, bool producerControlledByApp, QueueBufferOutput *output) {
-    ATRACE_CALL();
-    Mutex::Autolock lock(mCore->mMutex);
-    mConsumerName = mCore->mConsumerName;
-    ALOGV("connect(P): api=%d producerControlledByApp=%s", api,
-            producerControlledByApp ? "true" : "false");
-
-    if (mCore->mIsAbandoned) {
-        ALOGE("connect(P): GonkBufferQueue has been abandoned");
-        return NO_INIT;
-    }
-
-    if (mCore->mConsumerListener == NULL) {
-        ALOGE("connect(P): GonkBufferQueue has no consumer");
-        return NO_INIT;
-    }
-
-    if (output == NULL) {
-        ALOGE("connect(P): output was NULL");
-        return BAD_VALUE;
-    }
-
-    if (mCore->mConnectedApi != GonkBufferQueueCore::NO_CONNECTED_API) {
-        ALOGE("connect(P): already connected (cur=%d req=%d)", mCore->mConnectedApi,
-              api);
-        return BAD_VALUE;
-    }
-
-    int status = NO_ERROR;
-    switch (api) {
-        case NATIVE_WINDOW_API_EGL:
-        case NATIVE_WINDOW_API_CPU:
-        case NATIVE_WINDOW_API_MEDIA:
-        case NATIVE_WINDOW_API_CAMERA:
-            mCore->mConnectedApi = api;
-            output->inflate(mCore->mDefaultWidth, mCore->mDefaultHeight,
-                    mCore->mTransformHint, mCore->mQueue.size());
-
-            // Set up a death notification so that we can disconnect
-            // automatically if the remote producer dies
-            if (listener != NULL &&
-                    listener->asBinder()->remoteBinder() != NULL) {
-                status = listener->asBinder()->linkToDeath(
-                        static_cast<IBinder::DeathRecipient*>(this));
-                if (status != NO_ERROR) {
-                    ALOGE("connect(P): linkToDeath failed: %s (%d)",
-                            strerror(-status), status);
-                }
-            }
-            mCore->mConnectedProducerListener = listener;
-            break;
-        default:
-            ALOGE("connect(P): unknown API %d", api);
-            status = BAD_VALUE;
-            break;
-    }
-
-    mCore->mBufferHasBeenQueued = false;
-    mCore->mDequeueBufferCannotBlock =
-            mCore->mConsumerControlledByApp && producerControlledByApp;
-
-    return status;
-}
-
-status_t GonkBufferQueueProducer::disconnect(int api) {
-    ATRACE_CALL();
-    ALOGV("disconnect(P): api %d", api);
-
-    int status = NO_ERROR;
-    sp<IConsumerListener> listener;
-    { // Autolock scope
-        Mutex::Autolock lock(mCore->mMutex);
-        mCore->waitWhileAllocatingLocked();
-
-        if (mCore->mIsAbandoned) {
-            // It's not really an error to disconnect after the surface has
-            // been abandoned; it should just be a no-op.
-            return NO_ERROR;
-        }
-
-        switch (api) {
-            case NATIVE_WINDOW_API_EGL:
-            case NATIVE_WINDOW_API_CPU:
-            case NATIVE_WINDOW_API_MEDIA:
-            case NATIVE_WINDOW_API_CAMERA:
-                if (mCore->mConnectedApi == api) {
-                    mCore->freeAllBuffersLocked();
-                    mCore->mConnectedApi = GonkBufferQueueCore::NO_CONNECTED_API;
-                    mCore->mSidebandStream.clear();
-                    mCore->mDequeueCondition.broadcast();
-                    listener = mCore->mConsumerListener;
-                } else {
-                    ALOGE("disconnect(P): connected to another API "
-                            "(cur=%d req=%d)", mCore->mConnectedApi, api);
-                    status = BAD_VALUE;
-                }
-                break;
-            default:
-                ALOGE("disconnect(P): unknown API %d", api);
-                status = BAD_VALUE;
-                break;
-        }
-    } // Autolock scope
-
-    // Call back without lock held
-    if (listener != NULL) {
-        listener->onBuffersReleased();
-    }
-
-    return status;
-}
-
-status_t GonkBufferQueueProducer::setSidebandStream(const sp<NativeHandle>& stream) {
-    return INVALID_OPERATION;
-}
-
-void GonkBufferQueueProducer::allocateBuffers(bool async, uint32_t width,
-        uint32_t height, uint32_t format, uint32_t usage) {
-    ALOGE("allocateBuffers: no op");
-}
-
-void GonkBufferQueueProducer::binderDied(const wp<android::IBinder>& /* who */) {
-    // If we're here, it means that a producer we were connected to died.
-    // We're guaranteed that we are still connected to it because we remove
-    // this callback upon disconnect. It's therefore safe to read mConnectedApi
-    // without synchronization here.
-    int api = mCore->mConnectedApi;
-    disconnect(api);
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.h
deleted file mode 100644
index a1a22416ad..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferQueueProducer.h
+++ /dev/null
@@ -1,216 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERQUEUEPRODUCER_LL_H
-#define NATIVEWINDOW_GONKBUFFERQUEUEPRODUCER_LL_H
-
-#include "GonkBufferQueueDefs.h"
-#include <gui/IGraphicBufferProducer.h>
-
-namespace android {
-
-class GonkBufferQueueProducer : public BnGraphicBufferProducer,
-                            private IBinder::DeathRecipient {
-public:
-    friend class GonkBufferQueue; // Needed to access binderDied
-
-    GonkBufferQueueProducer(const sp<GonkBufferQueueCore>& core);
-    virtual ~GonkBufferQueueProducer();
-
-    // requestBuffer returns the GraphicBuffer for slot N.
-    //
-    // In normal operation, this is called the first time slot N is returned
-    // by dequeueBuffer.  It must be called again if dequeueBuffer returns
-    // flags indicating that previously-returned buffers are no longer valid.
-    virtual status_t requestBuffer(int slot, sp<GraphicBuffer>* buf);
-
-    // setBufferCount updates the number of available buffer slots.  If this
-    // method succeeds, buffer slots will be both unallocated and owned by
-    // the GonkBufferQueue object (i.e. they are not owned by the producer or
-    // consumer).
-    //
-    // This will fail if the producer has dequeued any buffers, or if
-    // bufferCount is invalid.  bufferCount must generally be a value
-    // between the minimum undequeued buffer count (exclusive) and NUM_BUFFER_SLOTS
-    // (inclusive).  It may also be set to zero (the default) to indicate
-    // that the producer does not wish to set a value.  The minimum value
-    // can be obtained by calling query(NATIVE_WINDOW_MIN_UNDEQUEUED_BUFFERS,
-    // ...).
-    //
-    // This may only be called by the producer.  The consumer will be told
-    // to discard buffers through the onBuffersReleased callback.
-    virtual status_t setBufferCount(int bufferCount);
-
-    // dequeueBuffer gets the next buffer slot index for the producer to use.
-    // If a buffer slot is available then that slot index is written to the
-    // location pointed to by the buf argument and a status of OK is returned.
-    // If no slot is available then a status of -EBUSY is returned and buf is
-    // unmodified.
-    //
-    // The outFence parameter will be updated to hold the fence associated with
-    // the buffer. The contents of the buffer must not be overwritten until the
-    // fence signals. If the fence is Fence::NO_FENCE, the buffer may be
-    // written immediately.
-    //
-    // The width and height parameters must be no greater than the minimum of
-    // GL_MAX_VIEWPORT_DIMS and GL_MAX_TEXTURE_SIZE (see: glGetIntegerv).
-    // An error due to invalid dimensions might not be reported until
-    // updateTexImage() is called.  If width and height are both zero, the
-    // default values specified by setDefaultBufferSize() are used instead.
-    //
-    // The pixel formats are enumerated in graphics.h, e.g.
-    // HAL_PIXEL_FORMAT_RGBA_8888.  If the format is 0, the default format
-    // will be used.
-    //
-    // The usage argument specifies gralloc buffer usage flags.  The values
-    // are enumerated in gralloc.h, e.g. GRALLOC_USAGE_HW_RENDER.  These
-    // will be merged with the usage flags specified by setConsumerUsageBits.
-    //
-    // The return value may be a negative error value or a non-negative
-    // collection of flags.  If the flags are set, the return values are
-    // valid, but additional actions must be performed.
-    //
-    // If IGraphicBufferProducer::BUFFER_NEEDS_REALLOCATION is set, the
-    // producer must discard cached GraphicBuffer references for the slot
-    // returned in buf.
-    // If IGraphicBufferProducer::RELEASE_ALL_BUFFERS is set, the producer
-    // must discard cached GraphicBuffer references for all slots.
-    //
-    // In both cases, the producer will need to call requestBuffer to get a
-    // GraphicBuffer handle for the returned slot.
-    virtual status_t dequeueBuffer(int *outSlot, sp<Fence>* outFence, bool async,
-            uint32_t width, uint32_t height, uint32_t format, uint32_t usage);
-
-    // See IGraphicBufferProducer::detachBuffer
-    virtual status_t detachBuffer(int slot);
-
-    // See IGraphicBufferProducer::detachNextBuffer
-    virtual status_t detachNextBuffer(sp<GraphicBuffer>* outBuffer,
-            sp<Fence>* outFence);
-
-    // See IGraphicBufferProducer::attachBuffer
-    virtual status_t attachBuffer(int* outSlot, const sp<GraphicBuffer>& buffer);
-
-    // queueBuffer returns a filled buffer to the GonkBufferQueue.
-    //
-    // Additional data is provided in the QueueBufferInput struct.  Notably,
-    // a timestamp must be provided for the buffer. The timestamp is in
-    // nanoseconds, and must be monotonically increasing. Its other semantics
-    // (zero point, etc) are producer-specific and should be documented by the
-    // producer.
-    //
-    // The caller may provide a fence that signals when all rendering
-    // operations have completed.  Alternatively, NO_FENCE may be used,
-    // indicating that the buffer is ready immediately.
-    //
-    // Some values are returned in the output struct: the current settings
-    // for default width and height, the current transform hint, and the
-    // number of queued buffers.
-    virtual status_t queueBuffer(int slot,
-            const QueueBufferInput& input, QueueBufferOutput* output);
-
-    // cancelBuffer returns a dequeued buffer to the GonkBufferQueue, but doesn't
-    // queue it for use by the consumer.
-    //
-    // The buffer will not be overwritten until the fence signals.  The fence
-    // will usually be the one obtained from dequeueBuffer.
-    virtual void cancelBuffer(int slot, const sp<Fence>& fence);
-
-    // Query native window attributes.  The "what" values are enumerated in
-    // window.h (e.g. NATIVE_WINDOW_FORMAT).
-    virtual int query(int what, int* outValue);
-
-    // connect attempts to connect a producer API to the GonkBufferQueue.  This
-    // must be called before any other IGraphicBufferProducer methods are
-    // called except for getAllocator.  A consumer must already be connected.
-    //
-    // This method will fail if connect was previously called on the
-    // GonkBufferQueue and no corresponding disconnect call was made (i.e. if
-    // it's still connected to a producer).
-    //
-    // APIs are enumerated in window.h (e.g. NATIVE_WINDOW_API_CPU).
-    virtual status_t connect(const sp<IProducerListener>& listener,
-            int api, bool producerControlledByApp, QueueBufferOutput* output);
-
-    // disconnect attempts to disconnect a producer API from the GonkBufferQueue.
-    // Calling this method will cause any subsequent calls to other
-    // IGraphicBufferProducer methods to fail except for getAllocator and connect.
-    // Successfully calling connect after this will allow the other methods to
-    // succeed again.
-    //
-    // This method will fail if the the GonkBufferQueue is not currently
-    // connected to the specified producer API.
-    virtual status_t disconnect(int api);
-
-    // Attaches a sideband buffer stream to the IGraphicBufferProducer.
-    //
-    // A sideband stream is a device-specific mechanism for passing buffers
-    // from the producer to the consumer without using dequeueBuffer/
-    // queueBuffer. If a sideband stream is present, the consumer can choose
-    // whether to acquire buffers from the sideband stream or from the queued
-    // buffers.
-    //
-    // Passing NULL or a different stream handle will detach the previous
-    // handle if any.
-    virtual status_t setSidebandStream(const sp<NativeHandle>& stream);
-
-    // See IGraphicBufferProducer::allocateBuffers
-    virtual void allocateBuffers(bool async, uint32_t width, uint32_t height,
-            uint32_t format, uint32_t usage);
-
-    // setSynchronousMode sets whether dequeueBuffer is synchronous or
-    // asynchronous. In synchronous mode, dequeueBuffer blocks until
-    // a buffer is available, the currently bound buffer can be dequeued and
-    // queued buffers will be acquired in order.  In asynchronous mode,
-    // a queued buffer may be replaced by a subsequently queued buffer.
-    //
-    // The default mode is synchronous.
-    // This should be called only during initialization.
-    virtual status_t setSynchronousMode(bool enabled);
-
-private:
-    // This is required by the IBinder::DeathRecipient interface
-    virtual void binderDied(const wp<IBinder>& who);
-
-    // waitForFreeSlotThenRelock finds the oldest slot in the FREE state. It may
-    // block if there are no available slots and we are not in non-blocking
-    // mode (producer and consumer controlled by the application). If it blocks,
-    // it will release mCore->mMutex while blocked so that other operations on
-    // the GonkBufferQueue may succeed.
-    status_t waitForFreeSlotThenRelock(const char* caller, bool async,
-            int* found, status_t* returnFlags) const;
-
-    sp<GonkBufferQueueCore> mCore;
-
-    // This references mCore->mSlots. Lock mCore->mMutex while accessing.
-    GonkBufferQueueDefs::SlotsType& mSlots;
-
-    // This is a cached copy of the name stored in the GonkBufferQueueCore.
-    // It's updated during connect and dequeueBuffer (which should catch
-    // most updates).
-    String8 mConsumerName;
-
-    // mSynchronousMode whether we're in synchronous mode or not
-    bool mSynchronousMode;
-
-    uint32_t mStickyTransform;
-
-}; // class GonkBufferQueueProducer
-
-} // namespace android
-
-#endif
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.cpp b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.cpp
deleted file mode 100644
index 9e4a424a93..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include "GonkBufferSlot.h"
-
-namespace android {
-
-const char* GonkBufferSlot::bufferStateName(BufferState state) {
-    switch (state) {
-        case GonkBufferSlot::DEQUEUED: return "DEQUEUED";
-        case GonkBufferSlot::QUEUED: return "QUEUED";
-        case GonkBufferSlot::FREE: return "FREE";
-        case GonkBufferSlot::ACQUIRED: return "ACQUIRED";
-        default: return "Unknown";
-    }
-}
-
-} // namespace android
diff --git a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.h b/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.h
deleted file mode 100644
index 759bb7b23c..0000000000
--- a/widget/gonk/nativewindow/GonkBufferQueueLL/GonkBufferSlot.h
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright 2014 The Android Open Source Project
- * Copyright (C) 2014 Mozilla Foundation
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef NATIVEWINDOW_GONKBUFFERSLOT_LL_H
-#define NATIVEWINDOW_GONKBUFFERSLOT_LL_H
-
-#include <ui/Fence.h>
-#include <ui/GraphicBuffer.h>
-
-#include <utils/StrongPointer.h>
-
-#include "mozilla/layers/TextureClient.h"
-
-namespace android {
-
-struct GonkBufferSlot {
-    typedef mozilla::layers::TextureClient TextureClient;
-
-    GonkBufferSlot()
-    : mBufferState(GonkBufferSlot::FREE),
-      mRequestBufferCalled(false),
-      mFrameNumber(0),
-      mAcquireCalled(false),
-      mNeedsCleanupOnRelease(false),
-      mAttachedByConsumer(false) {
-    }
-
-    // mGraphicBuffer points to the buffer allocated for this slot or is NULL
-    // if no buffer has been allocated.
-    sp<GraphicBuffer> mGraphicBuffer;
-
-    // BufferState represents the different states in which a buffer slot
-    // can be.  All slots are initially FREE.
-    enum BufferState {
-        // FREE indicates that the buffer is available to be dequeued
-        // by the producer.  The buffer may be in use by the consumer for
-        // a finite time, so the buffer must not be modified until the
-        // associated fence is signaled.
-        //
-        // The slot is "owned" by BufferQueue.  It transitions to DEQUEUED
-        // when dequeueBuffer is called.
-        FREE = 0,
-
-        // DEQUEUED indicates that the buffer has been dequeued by the
-        // producer, but has not yet been queued or canceled.  The
-        // producer may modify the buffer's contents as soon as the
-        // associated ready fence is signaled.
-        //
-        // The slot is "owned" by the producer.  It can transition to
-        // QUEUED (via queueBuffer) or back to FREE (via cancelBuffer).
-        DEQUEUED = 1,
-
-        // QUEUED indicates that the buffer has been filled by the
-        // producer and queued for use by the consumer.  The buffer
-        // contents may continue to be modified for a finite time, so
-        // the contents must not be accessed until the associated fence
-        // is signaled.
-        //
-        // The slot is "owned" by BufferQueue.  It can transition to
-        // ACQUIRED (via acquireBuffer) or to FREE (if another buffer is
-        // queued in asynchronous mode).
-        QUEUED = 2,
-
-        // ACQUIRED indicates that the buffer has been acquired by the
-        // consumer.  As with QUEUED, the contents must not be accessed
-        // by the consumer until the fence is signaled.
-        //
-        // The slot is "owned" by the consumer.  It transitions to FREE
-        // when releaseBuffer is called.
-        ACQUIRED = 3
-    };
-
-    static const char* bufferStateName(BufferState state);
-
-    // mBufferState is the current state of this buffer slot.
-    BufferState mBufferState;
-
-    // mRequestBufferCalled is used for validating that the producer did
-    // call requestBuffer() when told to do so. Technically this is not
-    // needed but useful for debugging and catching producer bugs.
-    bool mRequestBufferCalled;
-
-    // mFrameNumber is the number of the queued frame for this slot.  This
-    // is used to dequeue buffers in LRU order (useful because buffers
-    // may be released before their release fence is signaled).
-    uint64_t mFrameNumber;
-
-    // mFence is a fence which will signal when work initiated by the
-    // previous owner of the buffer is finished. When the buffer is FREE,
-    // the fence indicates when the consumer has finished reading
-    // from the buffer, or when the producer has finished writing if it
-    // called cancelBuffer after queueing some writes. When the buffer is
-    // QUEUED, it indicates when the producer has finished filling the
-    // buffer. When the buffer is DEQUEUED or ACQUIRED, the fence has been
-    // passed to the consumer or producer along with ownership of the
-    // buffer, and mFence is set to NO_FENCE.
-    sp<Fence> mFence;
-
-    // Indicates whether this buffer has been seen by a consumer yet
-    bool mAcquireCalled;
-
-    // Indicates whether this buffer needs to be cleaned up by the
-    // consumer.  This is set when a buffer in ACQUIRED state is freed.
-    // It causes releaseBuffer to return STALE_BUFFER_SLOT.
-    bool mNeedsCleanupOnRelease;
-
-    // Indicates whether the buffer was attached on the consumer side.
-    // If so, it needs to set the BUFFER_NEEDS_REALLOCATION flag when dequeued
-    // to prevent the producer from using a stale cached buffer.
-    bool mAttachedByConsumer;
-
-    // mTextureClient is a thin abstraction over remotely allocated GraphicBuffer.
-    RefPtr<TextureClient> mTextureClient;
-};
-
-} // namespace android
-
-#endif