From dc077244244b97eb947672d446b4511be357eedd Mon Sep 17 00:00:00 2001
From: adeshkp <adeshkp@users.noreply.github.com>
Date: Sat, 12 Jan 2019 06:20:31 -0500
Subject: Telemetry: Remove stubs and related code

---
 dom/plugins/ipc/PluginModuleParent.cpp | 36 ----------------------------------
 dom/plugins/ipc/PluginModuleParent.h   |  3 ---
 2 files changed, 39 deletions(-)

(limited to 'dom/plugins')

diff --git a/dom/plugins/ipc/PluginModuleParent.cpp b/dom/plugins/ipc/PluginModuleParent.cpp
index 300c4f621b..4a509676d9 100755
--- a/dom/plugins/ipc/PluginModuleParent.cpp
+++ b/dom/plugins/ipc/PluginModuleParent.cpp
@@ -92,11 +92,6 @@ mozilla::plugins::SetupBridge(uint32_t aPluginId,
         return true;
     }
     PluginModuleChromeParent* chromeParent = static_cast<PluginModuleChromeParent*>(plugin->GetLibrary());
-    /*
-     *  We can't accumulate BLOCKED_ON_PLUGIN_MODULE_INIT_MS until here because
-     *  its histogram key is not available until *after* NP_Initialize.
-     */
-    chromeParent->AccumulateModuleInitBlockedTime();
     *rv = chromeParent->GetRunID(runID);
     if (NS_FAILED(*rv)) {
         return true;
@@ -335,16 +330,13 @@ PluginModuleContentParent::LoadModule(uint32_t aPluginId,
     dom::ContentChild* cp = dom::ContentChild::GetSingleton();
     nsresult rv;
     uint32_t runID;
-    TimeStamp sendLoadPluginStart = TimeStamp::Now();
     if (!cp->SendLoadPlugin(aPluginId, &rv, &runID) ||
         NS_FAILED(rv)) {
         return nullptr;
     }
-    TimeStamp sendLoadPluginEnd = TimeStamp::Now();
 
     PluginModuleContentParent* parent = mapping->GetModule();
     MOZ_ASSERT(parent);
-    parent->mTimeBlocked += (sendLoadPluginEnd - sendLoadPluginStart);
 
     if (!mapping->IsChannelOpened()) {
         // mapping is linked into PluginModuleMapping::sModuleListHead and is
@@ -440,7 +432,6 @@ PluginModuleChromeParent::LoadModule(const char* aFilePath, uint32_t aPluginId,
                                          aPluginTag->mSupportsAsyncInit));
     UniquePtr<LaunchCompleteTask> onLaunchedRunnable(new LaunchedTask(parent));
     parent->mSubprocess->SetCallRunnableImmediately(!parent->mIsStartingAsync);
-    TimeStamp launchStart = TimeStamp::Now();
     bool launched = parent->mSubprocess->Launch(Move(onLaunchedRunnable),
                                                 aPluginTag->mSandboxLevel);
     if (!launched) {
@@ -459,8 +450,6 @@ PluginModuleChromeParent::LoadModule(const char* aFilePath, uint32_t aPluginId,
             return nullptr;
         }
     }
-    TimeStamp launchEnd = TimeStamp::Now();
-    parent->mTimeBlocked = (launchEnd - launchStart);
     return parent.forget();
 }
 
@@ -1758,15 +1747,12 @@ PluginModuleChromeParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs*
     PluginSettings settings;
     GetSettings(&settings);
 
-    TimeStamp callNpInitStart = TimeStamp::Now();
     // Asynchronous case
     if (mIsStartingAsync) {
         if (!SendAsyncNP_Initialize(settings)) {
             Close();
             return NS_ERROR_FAILURE;
         }
-        TimeStamp callNpInitEnd = TimeStamp::Now();
-        mTimeBlocked += (callNpInitEnd - callNpInitStart);
         return NS_OK;
     }
 
@@ -1779,8 +1765,6 @@ PluginModuleChromeParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPPluginFuncs*
         Close();
         return NS_ERROR_FAILURE;
     }
-    TimeStamp callNpInitEnd = TimeStamp::Now();
-    mTimeBlocked += (callNpInitEnd - callNpInitStart);
 
     RecvNP_InitializeResult(*error);
 
@@ -1882,13 +1866,10 @@ PluginModuleChromeParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
     PluginSettings settings;
     GetSettings(&settings);
 
-    TimeStamp callNpInitStart = TimeStamp::Now();
     if (mIsStartingAsync) {
         if (!SendAsyncNP_Initialize(settings)) {
             return NS_ERROR_FAILURE;
         }
-        TimeStamp callNpInitEnd = TimeStamp::Now();
-        mTimeBlocked += (callNpInitEnd - callNpInitStart);
         return NS_OK;
     }
 
@@ -1896,8 +1877,6 @@ PluginModuleChromeParent::NP_Initialize(NPNetscapeFuncs* bFuncs, NPError* error)
         Close();
         return NS_ERROR_FAILURE;
     }
-    TimeStamp callNpInitEnd = TimeStamp::Now();
-    mTimeBlocked += (callNpInitEnd - callNpInitStart);
     RecvNP_InitializeResult(*error);
     return NS_OK;
 }
@@ -2194,14 +2173,6 @@ public:
   }
 };
 
-void
-PluginModuleParent::AccumulateModuleInitBlockedTime()
-{
-    // XXX: mTimeBlocked can probably go if not used for anything besides
-    // telemetry.
-    mTimeBlocked = TimeDuration();
-}
-
 nsresult
 PluginModuleParent::NPP_NewInternal(NPMIMEType pluginType, NPP instance,
                                     uint16_t mode,
@@ -2213,13 +2184,6 @@ PluginModuleParent::NPP_NewInternal(NPMIMEType pluginType, NPP instance,
     if (mPluginName.IsEmpty()) {
         GetPluginDetails();
         InitQuirksModes(nsDependentCString(pluginType));
-        /** mTimeBlocked measures the time that the main thread has been blocked
-         *  on plugin module initialization. As implemented, this is the sum of
-         *  plugin-container launch + toolhelp32 snapshot + NP_Initialize.
-         *  We don't accumulate its value until here because the plugin info
-         *  for its histogram key is not available until *after* NP_Initialize.
-         */
-        AccumulateModuleInitBlockedTime();
     }
 
     nsCaseInsensitiveUTF8StringArrayComparator comparator;
diff --git a/dom/plugins/ipc/PluginModuleParent.h b/dom/plugins/ipc/PluginModuleParent.h
index 0ceed6efdb..909e8fe351 100644
--- a/dom/plugins/ipc/PluginModuleParent.h
+++ b/dom/plugins/ipc/PluginModuleParent.h
@@ -115,8 +115,6 @@ public:
         return mPluginName + mPluginVersion;
     }
 
-    void AccumulateModuleInitBlockedTime();
-
     virtual nsresult GetRunID(uint32_t* aRunID) override;
     virtual void SetHasLocalInstance() override {
         mHadLocalInstance = true;
@@ -315,7 +313,6 @@ protected:
     nsString mBrowserDumpID;
     nsString mHangID;
     RefPtr<nsIObserver> mProfilerObserver;
-    TimeDuration mTimeBlocked;
     nsCString mPluginName;
     nsCString mPluginVersion;
     int32_t mSandboxLevel;
-- 
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