[DevTools] Add power profiler and power overview in timeline panel.

Source/devtools/front_end/inspector.js

 /*
  * Copyright (C) 2006, 2007, 2008 Apple Inc.  All rights reserved.
  * Copyright (C) 2007 Matt Lilek (pewtermoose@gmail.com).
  * Copyright (C) 2009 Joseph Pecoraro
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
@@ skipping 368 matching lines @@
 
     InspectorBackend.registerInspectorDispatcher(this);
 
     this.isolatedFileSystemManager = new WebInspector.IsolatedFileSystemManager();
     this.isolatedFileSystemDispatcher = new WebInspector.IsolatedFileSystemDispatcher(this.isolatedFileSystemManager);
     this.workspace = new WebInspector.Workspace(this.isolatedFileSystemManager.mapping());
 
     this.cssModel = new WebInspector.CSSStyleModel(this.workspace);
     this.timelineManager = new WebInspector.TimelineManager();
     this.profileManager = new WebInspector.ProfileManager();
+    this.powerProfiler = new WebInspector.PowerProfiler();

[pfeldman, 2014/01/09 11:38:52]

Search for the following code and query for power capability behind the
experiment instead.

PageAgent.canScreencast(WebInspector._initializeCapability.bind(WebInspector,
"canScreencast", null));

[Pan, 2014/02/24 09:49:47]

thanks for your guide, done.

+
     this.tracingAgent = new WebInspector.TracingAgent();
 
     if (!WebInspector.WorkerManager.isWorkerFrontend())
         this.inspectElementModeController = new WebInspector.InspectElementModeController();
 
     this.settingsController = new WebInspector.SettingsController();
 
     this.domBreakpointsSidebarPane = new WebInspector.DOMBreakpointsSidebarPane();
 
     this._zoomLevel = WebInspector.settings.zoomLevel.get();
@@ skipping 612 matching lines @@
 
 /**
  * @return {string}
  */
 WebInspector.getSelectionForegroundColor = function()
 {
     return InspectorFrontendHost.getSelectionForegroundColor();
 }
 
 window.DEBUG = true;