DevTools: Show GPU utilization bar on timeline

Source/core/inspector/InspectorTimelineAgent.h

 /*
 * Copyright (C) 2012 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
@@ skipping 65 matching lines @@
 class WebSocketHandshakeRequest;
 class WebSocketHandshakeResponse;
 class XMLHttpRequest;
 
 typedef String ErrorString;
 
 namespace TimelineRecordType {
 extern const char DecodeImage[];
 extern const char Rasterize[];
 extern const char PaintSetup[];
+extern const char GPUTask[];
 };
 
 class TimelineTimeConverter {
 public:
     TimelineTimeConverter()
         : m_startOffset(0)
     {
     }
     double fromMonotonicallyIncreasingTime(double time) const  { return (time - m_startOffset) * 1000.0; }
     void reset();
@@ skipping 17 matching lines @@
     }
 
     ~InspectorTimelineAgent();
 
     virtual void setFrontend(InspectorFrontend*);
     virtual void clearFrontend();
     virtual void restore();
 
     virtual void enable(ErrorString*);
     virtual void disable(ErrorString*);
-    virtual void start(ErrorString*, const int* maxCallStackDepth, const bool* bufferEvents, const bool* includeDomCounters);
+    virtual void start(ErrorString*, const int* maxCallStackDepth, const bool* bufferEvents, const bool* includeDomCounters, const bool* includeGPUEvents);
     virtual void stop(ErrorString*, RefPtr<TypeBuilder::Array<TypeBuilder::Timeline::TimelineEvent> >& events);
 
     void setLayerTreeId(int layerTreeId) { m_layerTreeId = layerTreeId; }
     int layerTreeId() const { return m_layerTreeId; }
     int id() const { return m_id; }
 
     void didCommitLoad();
 
     // Methods called from WebCore.
     bool willCallFunction(ExecutionContext*, const String& scriptName, int scriptLine);
@@ skipping 132 matching lines @@
     long long nodeId(RenderObject*);
     void releaseNodeIds();
 
     double timestamp();
     Page* page();
 
     bool isStarted();
     void innerStart();
     void innerStop(bool fromConsole);
 
+    bool isCollectingGPUEvents() const;
+
     InspectorPageAgent* m_pageAgent;
     InspectorMemoryAgent* m_memoryAgent;
     InspectorDOMAgent* m_domAgent;
     TimelineTimeConverter m_timeConverter;
 
     InspectorFrontend::Timeline* m_frontend;
     double m_timestampOffset;
 
     Vector<TimelineRecordEntry> m_recordStack;
 
@@ skipping 19 matching lines @@
     unsigned m_styleRecalcElementCounter;
     int m_layerTreeId;
     RenderImage* m_imageBeingPainted;
     Vector<String> m_consoleTimelines;
     RefPtr<TypeBuilder::Array<TypeBuilder::Timeline::TimelineEvent> > m_bufferedEvents;
 };
 
 } // namespace WebCore
 
 #endif // !defined(InspectorTimelineAgent_h)