DevTools: Show GPU utilization bar on timeline

Source/core/inspector/InspectorTimelineAgent.cpp

Index: Source/core/inspector/InspectorTimelineAgent.cpp
diff --git a/Source/core/inspector/InspectorTimelineAgent.cpp b/Source/core/inspector/InspectorTimelineAgent.cpp
index 41db9181ad76cc38c168348621cb7b13e2d90860..513b91d4c0c89e83f777c1a0179c12159f4ace24 100644
--- a/Source/core/inspector/InspectorTimelineAgent.cpp
+++ b/Source/core/inspector/InspectorTimelineAgent.cpp
@@ -66,6 +66,7 @@ static const char started[] = "started";
 static const char startedFromProtocol[] = "startedFromProtocol";
 static const char timelineMaxCallStackDepth[] = "timelineMaxCallStackDepth";
 static const char includeDomCounters[] = "includeDomCounters";
+static const char includeGpuEvents[] = "includeGpuEvents";
 static const char bufferEvents[] = "bufferEvents";
 }
 
@@ -125,6 +126,7 @@ static const char WebSocketDestroy[] = "WebSocketDestroy";
 const char DecodeImage[] = "DecodeImage";
 const char Rasterize[] = "Rasterize";
 const char PaintSetup[] = "PaintSetup";
+const char GpuTask[] = "GpuTask";
 }
 
 namespace {
@@ -225,7 +227,7 @@ void InspectorTimelineAgent::disable(ErrorString*)
     m_state->setBoolean(TimelineAgentState::enabled, false);
 }
 
-void InspectorTimelineAgent::start(ErrorString* errorString, const int* maxCallStackDepth, const bool* bufferEvents, const bool* includeDomCounters)
+void InspectorTimelineAgent::start(ErrorString* errorString, const int* maxCallStackDepth, const bool* bufferEvents, const bool* includeDomCounters, const bool* includeGpuEvents)
 {
     if (!m_frontend)
         return;
@@ -247,6 +249,7 @@ void InspectorTimelineAgent::start(ErrorString* errorString, const int* maxCallS
 
     m_state->setLong(TimelineAgentState::timelineMaxCallStackDepth, m_maxCallStackDepth);
     m_state->setBoolean(TimelineAgentState::includeDomCounters, includeDomCounters && *includeDomCounters);
+    m_state->setBoolean(TimelineAgentState::includeGpuEvents, includeGpuEvents && *includeGpuEvents);
     m_state->setBoolean(TimelineAgentState::bufferEvents, bufferEvents && *bufferEvents);
 
     innerStart();
@@ -266,7 +269,7 @@ void InspectorTimelineAgent::innerStart()
     m_instrumentingAgents->setInspectorTimelineAgent(this);
     ScriptGCEvent::addEventListener(this);
     if (m_client && m_pageAgent)
-        m_traceEventProcessor = adoptRef(new TimelineTraceEventProcessor(m_weakFactory.createWeakPtr(), m_client));
+        m_traceEventProcessor = adoptRef(new TimelineTraceEventProcessor(m_weakFactory.createWeakPtr(), m_client, m_state->getBoolean(TimelineAgentState::includeGpuEvents)));
 }
 
 void InspectorTimelineAgent::stop(ErrorString* errorString, RefPtr<TypeBuilder::Array<TypeBuilder::Timeline::TimelineEvent> >& events)