DevTools: Show GPU utilization bar on timeline

Source/core/inspector/TimelineRecordFactory.h

 /*
  * Copyright (C) 2009 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 80 matching lines @@
         static PassRefPtr<JSONObject> createAnimationFrameData(int callbackId);
 
         static PassRefPtr<JSONObject> createNodeData(long long nodeId);
 
         static PassRefPtr<JSONObject> createLayerData(long long layerRootNodeId);
 
         static PassRefPtr<JSONObject> createPaintData(const FloatQuad&, long long layerRootNodeId);
 
         static PassRefPtr<JSONObject> createFrameData(int frameId);
 
+        static PassRefPtr<JSONObject> createGPUTaskData(unsigned ownerPID);
+
         static void appendLayoutRoot(JSONObject* data, const FloatQuad&, long long rootNodeId);
 
         static void appendStyleRecalcDetails(JSONObject* data, unsigned elementCount);
 
         static void appendImageDetails(JSONObject* data, long long imageElementId, const String& url);
 
         static inline PassRefPtr<JSONObject> createWebSocketCreateData(unsigned long identifier, const KURL& url, const String& protocol)
         {
             RefPtr<JSONObject> data = JSONObject::create();
             data->setNumber("identifier", identifier);
             data->setString("url", url.string());
             if (!protocol.isNull())
                 data->setString("webSocketProtocol", protocol);
             return data.release();
         }
 
         static inline PassRefPtr<JSONObject> createGenericWebSocketData(unsigned long identifier)
         {
             RefPtr<JSONObject> data = JSONObject::create();
             data->setNumber("identifier", identifier);
             return data.release();
         }
     private:
         TimelineRecordFactory() { }
     };
 
 } // namespace WebCore
 
 #endif // !defined(TimelineRecordFactory_h)