Issue #2346 - Remove MOZ_EME conditional code

25 files changed, 2 insertions, 369 deletions

diff --git a/dom/media/AbstractMediaDecoder.h b/dom/media/AbstractMediaDecoder.h
index c6aa997553..108f7a57f7 100644
--- a/dom/media/AbstractMediaDecoder.h
+++ b/dom/media/AbstractMediaDecoder.h
@@ -32,9 +32,6 @@ class MediaResource;
 class ReentrantMonitor;
 class VideoFrameContainer;
 class MediaDecoderOwner;
-#ifdef MOZ_EME
-class CDMProxy;
-#endif
 
 typedef nsDataHashtable<nsCStringHashKey, nsCString> MetadataTags;
 
diff --git a/dom/media/MediaDecoder.cpp b/dom/media/MediaDecoder.cpp
index 87454a4686..921ec6bfbf 100644
--- a/dom/media/MediaDecoder.cpp
+++ b/dom/media/MediaDecoder.cpp
@@ -388,9 +388,6 @@ MediaDecoder::MediaDecoder(MediaDecoderOwner* aOwner)
   , mLogicalPosition(0.0)
   , mDuration(std::numeric_limits<double>::quiet_NaN())
   , mResourceCallback(new ResourceCallback())
-#ifdef MOZ_EME
-  , mCDMProxyPromise(mCDMProxyPromiseHolder.Ensure(__func__))
-#endif
   , mIgnoreProgressData(false)
   , mInfiniteStream(false)
   , mOwner(aOwner)
@@ -475,10 +472,6 @@ MediaDecoder::Shutdown()
 
   mResourceCallback->Disconnect();
 
-#ifdef MOZ_EME
-  mCDMProxyPromiseHolder.RejectIfExists(true, __func__);
-#endif
-
   DiscardOngoingSeekIfExists();
 
   // This changes the decoder state to SHUTDOWN and does other things
@@ -1551,23 +1544,6 @@ MediaDecoder::CanPlayThrough()
   return GetStatistics().CanPlayThrough();
 }
 
-#ifdef MOZ_EME
-RefPtr<MediaDecoder::CDMProxyPromise>
-MediaDecoder::RequestCDMProxy() const
-{
-  return mCDMProxyPromise;
-}
-
-void
-MediaDecoder::SetCDMProxy(CDMProxy* aProxy)
-{
-  MOZ_ASSERT(NS_IsMainThread());
-  MOZ_ASSERT(aProxy);
-
-  mCDMProxyPromiseHolder.ResolveIfExists(aProxy, __func__);
-}
-#endif
-
 bool
 MediaDecoder::IsOpusEnabled()
 {
diff --git a/dom/media/MediaDecoder.h b/dom/media/MediaDecoder.h
index 95f211e1c5..d54ba30de5 100644
--- a/dom/media/MediaDecoder.h
+++ b/dom/media/MediaDecoder.h
@@ -8,10 +8,6 @@
 
 #include "mozilla/Atomics.h"
 
-#ifdef MOZ_EME
-#include "mozilla/CDMProxy.h"
-#endif
-
 #include "mozilla/MozPromise.h"
 #include "mozilla/ReentrantMonitor.h"
 #include "mozilla/StateMirroring.h"
@@ -437,16 +433,6 @@ private:
 
   MediaDecoderOwner* GetOwner() const override;
 
-#ifdef MOZ_EME
-  typedef MozPromise<RefPtr<CDMProxy>, bool /* aIgnored */, /* IsExclusive = */ true> CDMProxyPromise;
-
-  // Resolved when a CDMProxy is available and the capabilities are known or
-  // rejected when this decoder is about to shut down.
-  RefPtr<CDMProxyPromise> RequestCDMProxy() const;
-
-  void SetCDMProxy(CDMProxy* aProxy);
-#endif
-
   static bool IsOggEnabled();
   static bool IsOpusEnabled();
   static bool IsWaveEnabled();
@@ -596,11 +582,6 @@ private:
 
   RefPtr<ResourceCallback> mResourceCallback;
 
-#ifdef MOZ_EME
-  MozPromiseHolder<CDMProxyPromise> mCDMProxyPromiseHolder;
-  RefPtr<CDMProxyPromise> mCDMProxyPromise;
-#endif
-
 protected:
   // The promise resolving/rejection is queued as a "micro-task" which will be
   // handled immediately after the current JS task and before any pending JS
diff --git a/dom/media/MediaDecoderOwner.h b/dom/media/MediaDecoderOwner.h
index 9be4be3d0b..50a29d0951 100644
--- a/dom/media/MediaDecoderOwner.h
+++ b/dom/media/MediaDecoderOwner.h
@@ -141,14 +141,6 @@ public:
   // The decoder owner should call Shutdown() on the decoder and drop the
   // reference to the decoder to prevent further calls into the decoder.
   virtual void NotifyXPCOMShutdown() = 0;
-
-#ifdef MOZ_EME
-  // Dispatches a "encrypted" event to the HTMLMediaElement, with the
-  // provided init data. Actual dispatch may be delayed until HAVE_METADATA.
-  // Main thread only.
-  virtual void DispatchEncrypted(const nsTArray<uint8_t>& aInitData,
-                                 const nsAString& aInitDataType) = 0;
-#endif
 };
 
 } // namespace mozilla
diff --git a/dom/media/MediaDecoderReader.h b/dom/media/MediaDecoderReader.h
index dd406ed90e..3a3e2ceb82 100644
--- a/dom/media/MediaDecoderReader.h
+++ b/dom/media/MediaDecoderReader.h
@@ -24,9 +24,6 @@
 
 namespace mozilla {
 
-#ifdef MOZ_EME
-class CDMProxy;
-#endif
 class MediaDecoderReader;
 
 struct WaitForDataRejectValue
@@ -188,10 +185,6 @@ public:
   // when to call SetIdle().
   virtual void SetIdle() {}
 
-#ifdef MOZ_EME
-  virtual void SetCDMProxy(CDMProxy* aProxy) {}
-#endif
-
   // Tell the reader that the data decoded are not for direct playback, so it
   // can accept more files, in particular those which have more channels than
   // available in the audio output.
diff --git a/dom/media/MediaDecoderReaderWrapper.h b/dom/media/MediaDecoderReaderWrapper.h
index a0f845538e..c85c93d44f 100644
--- a/dom/media/MediaDecoderReaderWrapper.h
+++ b/dom/media/MediaDecoderReaderWrapper.h
@@ -112,10 +112,6 @@ public:
     return mReader->CanonicalBuffered();
   }
 
-#ifdef MOZ_EME
-  void SetCDMProxy(CDMProxy* aProxy) { mReader->SetCDMProxy(aProxy); }
-#endif
-
   void SetVideoBlankDecode(bool aIsBlankDecode);
 
 private:
diff --git a/dom/media/MediaDecoderStateMachine.cpp b/dom/media/MediaDecoderStateMachine.cpp
index b84a76d624..218bddc4ac 100644
--- a/dom/media/MediaDecoderStateMachine.cpp
+++ b/dom/media/MediaDecoderStateMachine.cpp
@@ -1238,11 +1238,7 @@ DecodeMetadataState::OnMetadataRead(MetadataHolder* aMetadata)
   // thus get the metadata). We could fix this if we could compute the start
   // time by demuxing without necessaring decoding.
   bool waitingForCDM = 
-#ifdef MOZ_EME
-    mMaster->Info().IsEncrypted() && !mMaster->mCDMProxy;
-#else
     false;
-#endif
 
   mMaster->mNotifyMetadataBeforeFirstFrame =
     mMaster->mDuration.Ref().isSome() || waitingForCDM;
@@ -1266,9 +1262,6 @@ DormantState::HandlePlayStateChanged(MediaDecoder::PlayState aPlayState)
 {
   if (aPlayState == MediaDecoder::PLAY_STATE_PLAYING) {
     // Exit dormant when the user wants to play.
-#ifdef MOZ_EME
-    MOZ_ASSERT(!Info().IsEncrypted() || mMaster->mCDMProxy);
-#endif
     MOZ_ASSERT(mMaster->mSentFirstFrameLoadedEvent);
     SetState<SeekingState>(Move(mPendingSeek), EventVisibility::Suppressed);
   }
@@ -1581,10 +1574,6 @@ ShutdownState::Enter()
   // dispose of the timer.
   master->mVideoDecodeSuspendTimer.Reset();
 
-#ifdef MOZ_EME
-  master->mCDMProxyPromise.DisconnectIfExists();
-#endif
-
   if (master->IsPlaying()) {
     master->StopPlayback();
   }
@@ -2137,13 +2126,6 @@ nsresult MediaDecoderStateMachine::Init(MediaDecoder* aDecoder)
 
   mMediaSink = CreateMediaSink(mAudioCaptured);
 
-#ifdef MOZ_EME
-  mCDMProxyPromise.Begin(aDecoder->RequestCDMProxy()->Then(
-    OwnerThread(), __func__, this,
-    &MediaDecoderStateMachine::OnCDMProxyReady,
-    &MediaDecoderStateMachine::OnCDMProxyNotReady));
-#endif
-
   nsresult rv = mReader->Init();
   NS_ENSURE_SUCCESS(rv, rv);
 
@@ -3118,25 +3100,6 @@ void MediaDecoderStateMachine::OnMediaSinkAudioError(nsresult aResult)
   DecodeError(MediaResult(NS_ERROR_DOM_MEDIA_MEDIASINK_ERR, __func__));
 }
 
-#ifdef MOZ_EME
-void
-MediaDecoderStateMachine::OnCDMProxyReady(RefPtr<CDMProxy> aProxy)
-{
-  MOZ_ASSERT(OnTaskQueue());
-  mCDMProxyPromise.Complete();
-  mCDMProxy = aProxy;
-  mReader->SetCDMProxy(aProxy);
-  mStateObj->HandleCDMProxyReady();
-}
-
-void
-MediaDecoderStateMachine::OnCDMProxyNotReady()
-{
-  MOZ_ASSERT(OnTaskQueue());
-  mCDMProxyPromise.Complete();
-}
-#endif
-
 void
 MediaDecoderStateMachine::SetAudioCaptured(bool aCaptured)
 {
diff --git a/dom/media/MediaDecoderStateMachine.h b/dom/media/MediaDecoderStateMachine.h
index 29da56e57d..6391c85740 100644
--- a/dom/media/MediaDecoderStateMachine.h
+++ b/dom/media/MediaDecoderStateMachine.h
@@ -767,13 +767,6 @@ private:
   // Playback will not start when audio is offloading.
   bool mAudioOffloading;
 
-#ifdef MOZ_EME
-  void OnCDMProxyReady(RefPtr<CDMProxy> aProxy);
-  void OnCDMProxyNotReady();
-  RefPtr<CDMProxy> mCDMProxy;
-  MozPromiseRequestHolder<MediaDecoder::CDMProxyPromise> mCDMProxyPromise;
-#endif
-
 private:
   // The buffered range. Mirrored from the decoder thread.
   Mirror<media::TimeIntervals> mBuffered;
diff --git a/dom/media/MediaFormatReader.cpp b/dom/media/MediaFormatReader.cpp
index a658298e2d..2bdd2621ac 100644
--- a/dom/media/MediaFormatReader.cpp
+++ b/dom/media/MediaFormatReader.cpp
@@ -3,10 +3,6 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-#ifdef MOZ_EME
-#include "mozilla/CDMProxy.h"
-#endif
-
 #include "mozilla/ClearOnShutdown.h"
 #include "mozilla/dom/HTMLMediaElement.h"
 #include "mozilla/Preferences.h"
@@ -351,12 +347,7 @@ MediaFormatReader::DecoderFactory::DoCreateDecoder(TrackType aTrack)
   if (!mOwner->mPlatform) {
     mOwner->mPlatform = new PDMFactory();
     if (mOwner->IsEncrypted()) {
-#ifdef MOZ_EME
-      MOZ_ASSERT(mOwner->mCDMProxy);
-      mOwner->mPlatform->SetCDMProxy(mOwner->mCDMProxy);
-#else
       return MediaResult(NS_ERROR_DOM_MEDIA_FATAL_ERR, "EME not supported");
-#endif
     }
   }
 
@@ -592,54 +583,11 @@ MediaFormatReader::InitInternal()
   return NS_OK;
 }
 
-#ifdef MOZ_EME
-class DispatchKeyNeededEvent : public Runnable {
-public:
-  DispatchKeyNeededEvent(AbstractMediaDecoder* aDecoder,
-                         nsTArray<uint8_t>& aInitData,
-                         const nsString& aInitDataType)
-    : mDecoder(aDecoder)
-    , mInitData(aInitData)
-    , mInitDataType(aInitDataType)
-  {
-  }
-  NS_IMETHOD Run() override {
-    // Note: Null check the owner, as the decoder could have been shutdown
-    // since this event was dispatched.
-    MediaDecoderOwner* owner = mDecoder->GetOwner();
-    if (owner) {
-      owner->DispatchEncrypted(mInitData, mInitDataType);
-    }
-    mDecoder = nullptr;
-    return NS_OK;
-  }
-private:
-  RefPtr<AbstractMediaDecoder> mDecoder;
-  nsTArray<uint8_t> mInitData;
-  nsString mInitDataType;
-};
-
-void
-MediaFormatReader::SetCDMProxy(CDMProxy* aProxy)
-{
-  RefPtr<CDMProxy> proxy = aProxy;
-  RefPtr<MediaFormatReader> self = this;
-  nsCOMPtr<nsIRunnable> r = NS_NewRunnableFunction([=] () {
-    MOZ_ASSERT(self->OnTaskQueue());
-    self->mCDMProxy = proxy;
-  });
-  OwnerThread()->Dispatch(r.forget());
-}
-#endif // MOZ_EME
-
 bool
 MediaFormatReader::IsWaitingOnCDMResource() {
   MOZ_ASSERT(OnTaskQueue());
-#ifdef MOZ_EME
-  return IsEncrypted() && !mCDMProxy;
-#else
+  /* EME stub */
   return false;
-#endif
 }
 
 RefPtr<MediaDecoderReader::MetadataPromise>
@@ -746,13 +694,6 @@ MediaFormatReader::OnDemuxerInitDone(nsresult)
 
   UniquePtr<EncryptionInfo> crypto = mDemuxer->GetCrypto();
   if (mDecoder && crypto && crypto->IsEncrypted()) {
-#ifdef MOZ_EME
-    // Try and dispatch 'encrypted'. Won't go if ready state still HAVE_NOTHING.
-    for (uint32_t i = 0; i < crypto->mInitDatas.Length(); i++) {
-      NS_DispatchToMainThread(
-        new DispatchKeyNeededEvent(mDecoder, crypto->mInitDatas[i].mInitData, crypto->mInitDatas[i].mType));
-    }
-#endif
     mInfo.mCrypto = *crypto;
   }
 
diff --git a/dom/media/MediaFormatReader.h b/dom/media/MediaFormatReader.h
index ccd43f0e6a..4e084f4158 100644
--- a/dom/media/MediaFormatReader.h
+++ b/dom/media/MediaFormatReader.h
@@ -19,10 +19,6 @@
 
 namespace mozilla {
 
-#ifdef MOZ_EME
-class CDMProxy;
-#endif
-
 class MediaFormatReader final : public MediaDecoderReader
 {
   typedef TrackInfo::TrackType TrackType;
@@ -92,10 +88,6 @@ public:
     return mTrackDemuxersMayBlock;
   }
 
-#ifdef MOZ_EME
-  void SetCDMProxy(CDMProxy* aProxy) override;
-#endif
-
   // Returns a string describing the state of the decoder data.
   // Used for debugging purposes.
   void GetMozDebugReaderData(nsAString& aString);
@@ -587,14 +579,6 @@ private:
   RefPtr<VideoFrameContainer> mVideoFrameContainer;
   layers::ImageContainer* GetImageContainer();
 
-#ifdef MOZ_EME
-  RefPtr<CDMProxy> mCDMProxy;
-#endif
-
-#ifdef MOZ_GMP
-  RefPtr<GMPCrashHelper> mCrashHelper;
-#endif
-
   void SetBlankDecode(TrackType aTrack, bool aIsBlankDecode);
 
   class DecoderFactory;
diff --git a/dom/media/MediaPrefs.h b/dom/media/MediaPrefs.h
index 675518ba62..40d0971d80 100644
--- a/dom/media/MediaPrefs.h
+++ b/dom/media/MediaPrefs.h
@@ -102,9 +102,6 @@ private:
   DECL_MEDIA_PREF("media.gmp.insecure.allow",                 GMPAllowInsecure, bool, false);
   DECL_MEDIA_PREF("media.gmp.async-shutdown-timeout",         GMPAsyncShutdownTimeout, uint32_t, GMP_DEFAULT_ASYNC_SHUTDOWN_TIMEOUT);
 #endif
-#ifdef MOZ_EME
-  DECL_MEDIA_PREF("media.eme.enabled",                        EMEEnabled, bool, false);
-#endif
   DECL_MEDIA_PREF("media.use-blank-decoder",                  PDMUseBlankDecoder, bool, false);
   DECL_MEDIA_PREF("media.gpu-process-decoder",                PDMUseGPUDecoder, bool, false);
 #ifdef MOZ_FFMPEG
diff --git a/dom/media/fmp4/MP4Decoder.cpp b/dom/media/fmp4/MP4Decoder.cpp
index 3cfe5b1374..ed212992c0 100644
--- a/dom/media/fmp4/MP4Decoder.cpp
+++ b/dom/media/fmp4/MP4Decoder.cpp
@@ -9,9 +9,6 @@
 #include "MP4Demuxer.h"
 #include "mozilla/Preferences.h"
 #include "nsCharSeparatedTokenizer.h"
-#ifdef MOZ_EME
-#include "mozilla/CDMProxy.h"
-#endif
 #include "mozilla/Logging.h"
 #include "mozilla/SharedThreadPool.h"
 #include "nsMimeTypes.h"
diff --git a/dom/media/gmp/GMPChild.cpp b/dom/media/gmp/GMPChild.cpp
index fa6f2f4c83..0bf9d44036 100644
--- a/dom/media/gmp/GMPChild.cpp
+++ b/dom/media/gmp/GMPChild.cpp
@@ -22,9 +22,6 @@
 #include "GMPUtils.h"
 #include "prio.h"
 #include "base/task.h"
-#ifdef MOZ_EME
-#include "widevine-adapter/WidevineAdapter.h"
-#endif
 
 using namespace mozilla::ipc;
 
@@ -256,13 +253,7 @@ GMPChild::AnswerStartPlugin(const nsString& aAdapter)
     return false;
   }
 
-#ifdef MOZ_EME
-  bool isWidevine = aAdapter.EqualsLiteral("widevine");
-
-  GMPAdapter* adapter = (isWidevine) ? new WidevineAdapter() : nullptr;
-#else
   GMPAdapter* adapter = nullptr;
-#endif
   if (!mGMPLoader->Load(libPath.get(),
                         libPath.Length(),
                         mNodeId.BeginWriting(),
diff --git a/dom/media/gmp/GMPDecryptorParent.cpp b/dom/media/gmp/GMPDecryptorParent.cpp
index 56474e9736..410868c33b 100644
--- a/dom/media/gmp/GMPDecryptorParent.cpp
+++ b/dom/media/gmp/GMPDecryptorParent.cpp
@@ -45,13 +45,7 @@ GMPDecryptorParent::~GMPDecryptorParent()
 bool
 GMPDecryptorParent::RecvSetDecryptorId(const uint32_t& aId)
 {
-#ifdef MOZ_EME
-  if (!mIsOpen) {
-    NS_WARNING("Trying to use a dead GMP decrypter!");
-    return false;
-  }
-  mCallback->SetDecryptorId(aId);
-#endif
+ /* EME stub */
   return true;
 }
 
diff --git a/dom/media/gmp/GMPDecryptorProxy.h b/dom/media/gmp/GMPDecryptorProxy.h
index ed16755f89..f9e34a45fd 100644
--- a/dom/media/gmp/GMPDecryptorProxy.h
+++ b/dom/media/gmp/GMPDecryptorProxy.h
@@ -6,9 +6,6 @@
 #ifndef GMPDecryptorProxy_h_
 #define GMPDecryptorProxy_h_
 
-#ifdef MOZ_EME
-#include "mozilla/DecryptorProxyCallback.h"
-#endif
 #include "GMPCallbackBase.h"
 #include "gmp-decryption.h"
 #include "nsString.h"
@@ -17,12 +14,7 @@ namespace mozilla {
 class CryptoSample;
 } // namespace mozilla
 
-#ifdef MOZ_EME
-class GMPDecryptorProxyCallback : public DecryptorProxyCallback,
-                                  public GMPCallbackBase {
-#else
 class GMPDecryptorProxyCallback : public GMPCallbackBase {
-#endif
 
 public:
   virtual ~GMPDecryptorProxyCallback() {}
diff --git a/dom/media/gmp/GMPParent.cpp b/dom/media/gmp/GMPParent.cpp
index e6f7972649..c4a7a84a09 100644
--- a/dom/media/gmp/GMPParent.cpp
+++ b/dom/media/gmp/GMPParent.cpp
@@ -28,11 +28,6 @@ using mozilla::ipc::GeckoChildProcessHost;
 #include "WMFDecoderModule.h"
 #endif
 
-#ifdef MOZ_EME
-#include "mozilla/dom/WidevineCDMManifestBinding.h"
-#include "widevine-adapter/WidevineAdapter.h"
-#endif
-
 namespace mozilla {
 
 #undef LOG
@@ -654,18 +649,7 @@ GMPParent::ReadGMPMetaData()
     return ReadGMPInfoFile(infoFile);
   }
 
-#ifdef MOZ_EME
-  // Maybe this is the Widevine adapted plugin?
-  nsCOMPtr<nsIFile> manifestFile;
-  rv = mDirectory->Clone(getter_AddRefs(manifestFile));
-  if (NS_FAILED(rv)) {
-    return GenericPromise::CreateAndReject(rv, __func__);
-  }
-  manifestFile->AppendRelativePath(NS_LITERAL_STRING("manifest.json"));
-  return ReadChromiumManifestFile(manifestFile);
-#else
   return GenericPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
-#endif
 }
 
 RefPtr<GenericPromise>
@@ -758,48 +742,8 @@ GMPParent::ReadChromiumManifestFile(nsIFile* aFile)
 RefPtr<GenericPromise>
 GMPParent::ParseChromiumManifest(nsString aJSON)
 {
-#ifdef MOZ_EME
-  LOGD("%s: for '%s'", __FUNCTION__, NS_LossyConvertUTF16toASCII(aJSON).get());
-
-  MOZ_ASSERT(NS_IsMainThread());
-  mozilla::dom::WidevineCDMManifest m;
-  if (!m.Init(aJSON)) {
-    return GenericPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
-  }
-
-  nsresult ignored; // Note: ToInteger returns 0 on failure.
-  if (!WidevineAdapter::Supports(m.mX_cdm_module_versions.ToInteger(&ignored),
-                                 m.mX_cdm_interface_versions.ToInteger(&ignored),
-                                 m.mX_cdm_host_versions.ToInteger(&ignored))) {
-    return GenericPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
-  }
-
-  mDisplayName = NS_ConvertUTF16toUTF8(m.mName);
-  mDescription = NS_ConvertUTF16toUTF8(m.mDescription);
-  mVersion = NS_ConvertUTF16toUTF8(m.mVersion);
-
-  GMPCapability video(NS_LITERAL_CSTRING(GMP_API_VIDEO_DECODER));
-  video.mAPITags.AppendElement(NS_LITERAL_CSTRING("h264"));
-  video.mAPITags.AppendElement(NS_LITERAL_CSTRING("vp8"));
-  video.mAPITags.AppendElement(NS_LITERAL_CSTRING("vp9"));
-  video.mAPITags.AppendElement(kEMEKeySystemWidevine);
-  mCapabilities.AppendElement(Move(video));
-
-  GMPCapability decrypt(NS_LITERAL_CSTRING(GMP_API_DECRYPTOR));
-  decrypt.mAPITags.AppendElement(kEMEKeySystemWidevine);
-  mCapabilities.AppendElement(Move(decrypt));
-
-  MOZ_ASSERT(mName.EqualsLiteral("widevinecdm"));
-  mAdapter = NS_LITERAL_STRING("widevine");
-#ifdef XP_WIN
-  mLibs = NS_LITERAL_CSTRING("dxva2.dll");
-#endif
-
-  return GenericPromise::CreateAndResolve(true, __func__);
-#else  // !MOZ_EME
   MOZ_ASSERT_UNREACHABLE("don't call me if EME isn't enabled");
   return GenericPromise::CreateAndReject(NS_ERROR_FAILURE, __func__);
-#endif // !MOZ_EME
 }
 
 bool
diff --git a/dom/media/gmp/moz.build b/dom/media/gmp/moz.build
index c4da2573fb..82d091168d 100644
--- a/dom/media/gmp/moz.build
+++ b/dom/media/gmp/moz.build
@@ -70,12 +70,6 @@ EXPORTS += [
     'GMPVideoPlaneImpl.h',
 ]
 
-if CONFIG['MOZ_EME']:
-    EXPORTS += [
-        'GMPCDMCallbackProxy.h',
-        'GMPCDMProxy.h',
-    ]
-
 UNIFIED_SOURCES += [
     'GMPAudioDecoderChild.cpp',
     'GMPAudioDecoderParent.cpp',
@@ -111,17 +105,8 @@ UNIFIED_SOURCES += [
     'GMPVideoPlaneImpl.cpp',
 ]
 
-if CONFIG['MOZ_EME']:
-    UNIFIED_SOURCES += [
-        'GMPCDMCallbackProxy.cpp',
-        'GMPCDMProxy.cpp',
-    ]
-
 DIRS += ['rlz']
 
-if CONFIG['MOZ_EME']:
-    DIRS += ['widevine-adapter']
-
 IPDL_SOURCES += [
   'GMPTypes.ipdlh',
   'PGMP.ipdl',
diff --git a/dom/media/gtest/MockMediaDecoderOwner.h b/dom/media/gtest/MockMediaDecoderOwner.h
index 1009ca30a1..64d7290187 100644
--- a/dom/media/gtest/MockMediaDecoderOwner.h
+++ b/dom/media/gtest/MockMediaDecoderOwner.h
@@ -34,10 +34,6 @@ public:
   void DownloadProgressed() override {}
   void UpdateReadyState() override {}
   void FirstFrameLoaded() override {}
-#ifdef MOZ_EME
-  void DispatchEncrypted(const nsTArray<uint8_t>& aInitData,
-                         const nsAString& aInitDataType) override {}
-#endif
   bool IsActive() const override { return true; }
   bool IsHidden() const override { return false; }
   void DownloadSuspended() override {}
diff --git a/dom/media/mediasource/TrackBuffersManager.cpp b/dom/media/mediasource/TrackBuffersManager.cpp
index 022bb5bd10..907ee40e8f 100644
--- a/dom/media/mediasource/TrackBuffersManager.cpp
+++ b/dom/media/mediasource/TrackBuffersManager.cpp
@@ -58,34 +58,6 @@ AppendStateToStr(SourceBufferAttributes::AppendState aState)
 
 static Atomic<uint32_t> sStreamSourceID(0u);
 
-#ifdef MOZ_EME
-class DispatchKeyNeededEvent : public Runnable {
-public:
-  DispatchKeyNeededEvent(AbstractMediaDecoder* aDecoder,
-                         nsTArray<uint8_t>& aInitData,
-                         const nsString& aInitDataType)
-    : mDecoder(aDecoder)
-    , mInitData(aInitData)
-    , mInitDataType(aInitDataType)
-  {
-  }
-  NS_IMETHOD Run() override {
-    // Note: Null check the owner, as the decoder could have been shutdown
-    // since this event was dispatched.
-    MediaDecoderOwner* owner = mDecoder->GetOwner();
-    if (owner) {
-      owner->DispatchEncrypted(mInitData, mInitDataType);
-    }
-    mDecoder = nullptr;
-    return NS_OK;
-  }
-private:
-  RefPtr<AbstractMediaDecoder> mDecoder;
-  nsTArray<uint8_t> mInitData;
-  nsString mInitDataType;
-};
-#endif // MOZ_EME
-
 TrackBuffersManager::TrackBuffersManager(MediaSourceDecoder* aParentDecoder,
                                          const nsACString& aType)
   : mInputBuffer(new MediaByteBuffer)
@@ -1101,14 +1073,6 @@ TrackBuffersManager::OnDemuxerInitDone(nsresult)
 
   UniquePtr<EncryptionInfo> crypto = mInputDemuxer->GetCrypto();
   if (crypto && crypto->IsEncrypted()) {
-#ifdef MOZ_EME
-    // Try and dispatch 'encrypted'. Won't go if ready state still HAVE_NOTHING.
-    for (uint32_t i = 0; i < crypto->mInitDatas.Length(); i++) {
-      NS_DispatchToMainThread(
-        new DispatchKeyNeededEvent(mParentDecoder, crypto->mInitDatas[i].mInitData,
-                                   crypto->mInitDatas[i].mType));
-    }
-#endif
     info.mCrypto = *crypto;
     // We clear our crypto init data array, so the MediaFormatReader will
     // not emit an encrypted event for the same init data again.
diff --git a/dom/media/moz.build b/dom/media/moz.build
index ef018d4a75..ca3cdac1ca 100644
--- a/dom/media/moz.build
+++ b/dom/media/moz.build
@@ -44,9 +44,6 @@ if CONFIG['MOZ_FMP4']:
 if CONFIG['MOZ_WEBRTC']:
     DIRS += ['bridge']
 
-if CONFIG['MOZ_EME']:
-    DIRS += ['eme']
-
 if CONFIG['MOZ_GMP']:
     DIRS += [
         'gmp',
diff --git a/dom/media/platforms/PDMFactory.cpp b/dom/media/platforms/PDMFactory.cpp
index 029b88cecb..389b151994 100644
--- a/dom/media/platforms/PDMFactory.cpp
+++ b/dom/media/platforms/PDMFactory.cpp
@@ -35,11 +35,6 @@
 
 #include "AgnosticDecoderModule.h"
 
-#ifdef MOZ_EME
-#include "mozilla/CDMProxy.h"
-#include "EMEDecoderModule.h"
-#endif
-
 #include "DecoderDoctorDiagnostics.h"
 
 #include "MP4Decoder.h"
@@ -444,13 +439,4 @@ PDMFactory::GetDecoder(const TrackInfo& aTrackInfo,
   return pdm.forget();
 }
 
-#ifdef MOZ_EME
-void
-PDMFactory::SetCDMProxy(CDMProxy* aProxy)
-{
-  RefPtr<PDMFactory> m = new PDMFactory();
-  mEMEPDM = new EMEDecoderModule(aProxy, m);
-}
-#endif
-
 }  // namespace mozilla
diff --git a/dom/media/platforms/PDMFactory.h b/dom/media/platforms/PDMFactory.h
index 186c05ca4e..e288efadd0 100644
--- a/dom/media/platforms/PDMFactory.h
+++ b/dom/media/platforms/PDMFactory.h
@@ -10,10 +10,6 @@
 #include "mozilla/Function.h"
 #include "mozilla/StaticMutex.h"
 
-#ifdef MOZ_EME
-class CDMProxy;
-#endif
-
 namespace mozilla {
 
 class DecoderDoctorDiagnostics;
@@ -39,15 +35,6 @@ public:
   bool Supports(const TrackInfo& aTrackInfo,
                 DecoderDoctorDiagnostics* aDiagnostics) const;
 
-#ifdef MOZ_EME
-  // Creates a PlatformDecoderModule that uses a CDMProxy to decrypt or
-  // decrypt-and-decode EME encrypted content. If the CDM only decrypts and
-  // does not decode, we create a PDM and use that to create MediaDataDecoders
-  // that we use on on aTaskQueue to decode the decrypted stream.
-  // This is called on the decode task queue.
-  void SetCDMProxy(CDMProxy* aProxy);
-#endif
-
   static const int kYUV400 = 0;
   static const int kYUV420 = 1;
   static const int kYUV422 = 2;
diff --git a/dom/media/platforms/PlatformDecoderModule.h b/dom/media/platforms/PlatformDecoderModule.h
index f2abe4b7f7..63b4e00d5c 100644
--- a/dom/media/platforms/PlatformDecoderModule.h
+++ b/dom/media/platforms/PlatformDecoderModule.h
@@ -39,9 +39,6 @@ class RemoteDecoderModule;
 class MediaDataDecoder;
 class MediaDataDecoderCallback;
 class TaskQueue;
-#ifdef MOZ_EME
-class CDMProxy;
-#endif
 
 static LazyLogModule sPDMLog("PlatformDecoderModule");
 
diff --git a/dom/media/platforms/moz.build b/dom/media/platforms/moz.build
index 09d9afa4d2..d4dc579b19 100644
--- a/dom/media/platforms/moz.build
+++ b/dom/media/platforms/moz.build
@@ -32,9 +32,6 @@ DIRS += [
     'omx'
 ]
 
-if CONFIG['MOZ_EME']:
-    DIRS += ['agnostic/eme']
-
 if CONFIG['MOZ_GMP']:
     DIRS += ['agnostic/gmp']
 
diff --git a/dom/media/webaudio/AudioContext.cpp b/dom/media/webaudio/AudioContext.cpp
index 44285735be..9539133a4f 100755
--- a/dom/media/webaudio/AudioContext.cpp
+++ b/dom/media/webaudio/AudioContext.cpp
@@ -372,13 +372,6 @@ AudioContext::CreateMediaElementSource(HTMLMediaElement& aMediaElement,
     return nullptr;
   }
 
-#ifdef MOZ_EME
-  if (aMediaElement.ContainsRestrictedContent()) {
-    aRv.Throw(NS_ERROR_DOM_NOT_SUPPORTED_ERR);
-    return nullptr;
-  }
-#endif
-
   if (CheckClosed(aRv)) {
     return nullptr;
   }