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

Source/devtools/front_end/TimelineModel.js

Index: Source/devtools/front_end/TimelineModel.js
diff --git a/Source/devtools/front_end/TimelineModel.js b/Source/devtools/front_end/TimelineModel.js
index 93d0c9eae03e6660312769a91f65e54c5440dee6..79dc380fa478c290093a5984653a88bb4429b25c 100644
--- a/Source/devtools/front_end/TimelineModel.js
+++ b/Source/devtools/front_end/TimelineModel.js
@@ -42,6 +42,8 @@ WebInspector.TimelineModel = function()
     WebInspector.timelineManager.addEventListener(WebInspector.TimelineManager.EventTypes.TimelineEventRecorded, this._onRecordAdded, this);
     WebInspector.timelineManager.addEventListener(WebInspector.TimelineManager.EventTypes.TimelineStarted, this._onStarted, this);
     WebInspector.timelineManager.addEventListener(WebInspector.TimelineManager.EventTypes.TimelineStopped, this._onStopped, this);
+    if (WebInspector.experimentsSettings.powerTimeline.isEnabled() && Capabilities.canProfilePower)

[pfeldman, 2014/03/11 12:24:02]

Timeline model is about timeline events. You should not mix the power events
into the timeline event flow. I.e. you should not change this class at all.

+        WebInspector.powerProfiler.addEventListener(WebInspector.PowerProfiler.EventTypes.PowerEventRecorded, this._onRecordAdded, this);
 }
 
 WebInspector.TimelineModel.TransferChunkLengthBytes = 5000000;
@@ -106,6 +108,8 @@ WebInspector.TimelineModel.RecordType = {
     WebSocketDestroy : "WebSocketDestroy",
 
     EmbedderCallback : "EmbedderCallback",
+
+    SoC_Package : "SoC_Package",
 }
 
 WebInspector.TimelineModel.Events = {
@@ -222,10 +226,16 @@ WebInspector.TimelineModel.prototype = {
         var maxStackFrames = WebInspector.settings.timelineCaptureStacks.get() ? 30 : 0;
         var includeGPUEvents = WebInspector.experimentsSettings.gpuTimeline.isEnabled();
         WebInspector.timelineManager.start(maxStackFrames, includeCounters, includeGPUEvents, this._fireRecordingStarted.bind(this));
+
+        if (WebInspector.experimentsSettings.powerTimeline.isEnabled() && Capabilities.canProfilePower)
+            WebInspector.powerProfiler.startProfile();
     },
 
     stopRecording: function()
     {
+        if (WebInspector.experimentsSettings.powerTimeline.isEnabled() && Capabilities.canProfilePower)
+            WebInspector.powerProfiler.stopProfile();
+
         if (!this._clientInitiatedRecording) {
             WebInspector.timelineManager.start(undefined, undefined, undefined, stopTimeline.bind(this));
             return;