Bug 1224374 - Profiler labels for the 25 top chrome hangs;r=BenWa,MarcoZ

Experience shows that we do not have enough profiler labels to make
BHR hang reports meaningful. This patch adds enough labels to let us
exploit hang reports matching the 25 topmost chrome hangs.

accessible/base/NotificationController.cpp

@@ -141,6 +141,7 @@ NotificationController::IsUpdatePending()
 void
 NotificationController::WillRefresh(mozilla::TimeStamp aTime)
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
   Telemetry::AutoTimer<Telemetry::A11Y_UPDATE_TIME> updateTimer;
 
   // If the document accessible that notification collector was created for is

dom/base/nsFrameLoader.cpp

@@ -781,6 +781,7 @@ bool
 nsFrameLoader::ShowRemoteFrame(const ScreenIntSize& size,
                                nsSubDocumentFrame *aFrame)
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::GRAPHICS);
   NS_ASSERTION(IsRemoteFrame(), "ShowRemote only makes sense on remote frames.");
 
   if (!mRemoteBrowser && !TryRemoteBrowser()) {

dom/base/nsJSEnvironment.cpp

@@ -1335,6 +1335,8 @@ nsJSContext::ShrinkGCBuffersNow()
 static void
 FinishAnyIncrementalGC()
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::GC);
+
   if (sCCLockedOut) {
     // We're in the middle of an incremental GC, so finish it.
     JS::PrepareForIncrementalGC(sRuntime);

dom/base/nsObjectLoadingContent.cpp

@@ -3102,6 +3102,7 @@ nsObjectLoadingContent::DoStopPlugin(nsPluginInstanceOwner* aInstanceOwner,
 NS_IMETHODIMP
 nsObjectLoadingContent::StopPluginInstance()
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
   // Clear any pending events
   mPendingInstantiateEvent = nullptr;
   mPendingCheckPluginStopEvent = nullptr;

dom/ipc/ContentParent.cpp

@@ -1237,6 +1237,8 @@ ContentParent::CreateBrowserOrApp(const TabContext& aContext,
                                   Element* aFrameElement,
                                   ContentParent* aOpenerContentParent)
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
+
   if (!sCanLaunchSubprocesses) {
     return nullptr;
   }
@@ -2386,6 +2388,8 @@ ContentParent::InitializeMembers()
 bool
 ContentParent::LaunchSubprocess(ProcessPriority aInitialPriority /* = PROCESS_PRIORITY_FOREGROUND */)
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
+
   std::vector<std::string> extraArgs;
   if (mIsNuwaProcess) {
     extraArgs.push_back("-nuwa");
@@ -3642,6 +3646,8 @@ ContentParent::ForceKillTimerCallback(nsITimer* aTimer, void* aClosure)
 void
 ContentParent::KillHard(const char* aReason)
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
+
   // On Windows, calling KillHard multiple times causes problems - the
   // process handle becomes invalid on the first call, causing a second call
   // to crash our process - more details in bug 890840.

dom/plugins/base/nsPluginHost.cpp

@@ -1366,6 +1366,7 @@ nsresult nsPluginHost::EnsurePluginLoaded(nsPluginTag* aPluginTag)
 nsresult
 nsPluginHost::GetPluginForContentProcess(uint32_t aPluginId, nsNPAPIPlugin** aPlugin)
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
   MOZ_ASSERT(XRE_IsParentProcess());
 
   // If plugins haven't been scanned yet, do so now

dom/plugins/ipc/PluginModuleParent.cpp

@@ -110,6 +110,7 @@ mozilla::plugins::SetupBridge(uint32_t aPluginId,
                               nsresult* rv,
                               uint32_t* runID)
 {
+    PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
     if (NS_WARN_IF(!rv) || NS_WARN_IF(!runID)) {
         return false;
     }

gfx/layers/client/TextureClient.cpp

@@ -206,6 +206,7 @@ static void DestroyTextureData(TextureData* aTextureData, ISurfaceAllocator* aAl
 void
 TextureChild::ActorDestroy(ActorDestroyReason why)
 {
+  PROFILER_LABEL_FUNC(js::ProfileEntry::Category::GRAPHICS);
   mWaitForRecycle = nullptr;
 
   if (mTextureData) {

js/xpconnect/wrappers/AddonWrapper.cpp

@@ -14,6 +14,8 @@
 #include "mozilla/dom/BindingUtils.h"
 #include "nsGlobalWindow.h"
 
+#include "GeckoProfiler.h"
+
 #include "nsID.h"
 
 using namespace js;
@@ -172,6 +174,8 @@ bool
 AddonWrapper<Base>::get(JSContext* cx, JS::Handle<JSObject*> wrapper, JS::Handle<Value> receiver,
                         JS::Handle<jsid> id, JS::MutableHandle<JS::Value> vp) const
 {
+    PROFILER_LABEL_FUNC(js::ProfileEntry::Category::OTHER);
+
     Rooted<JSPropertyDescriptor> desc(cx);
     if (!InterposeProperty(cx, wrapper, nullptr, id, &desc))
         return false;

layout/generic/nsSubDocumentFrame.cpp

@@ -82,6 +82,7 @@ public:
   explicit AsyncFrameInit(nsIFrame* aFrame) : mFrame(aFrame) {}
   NS_IMETHOD Run()
   {
+    PROFILER_LABEL("mozilla", "AsyncFrameInit::Run", js::ProfileEntry::Category::OTHER);
     if (mFrame.IsAlive()) {
       static_cast<nsSubDocumentFrame*>(mFrame.GetFrame())->ShowViewer();
     }