DevTools: Initial implementation of line-level CPU profile.

third_party/WebKit/Source/devtools/front_end/sdk/CPUProfileDataModel.js

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 /**
  * @constructor
  * @param {!ProfilerAgent.CPUProfile} profile
  */
 WebInspector.CPUProfileDataModel = function(profile)
@@ skipping 22 matching lines @@
      */
     _calculateTimes: function(profile)
     {
         function totalHitCount(node) {
             var result = node.hitCount;
             for (var i = 0; i < node.children.length; i++)
                 result += totalHitCount(node.children[i]);
             return result;
         }
         profile.totalHitCount = totalHitCount(profile.head);
+        this.totalHitCount = profile.totalHitCount;
 
         var duration = this.profileEndTime - this.profileStartTime;
         var samplingInterval = duration / profile.totalHitCount;
         this.samplingInterval = samplingInterval;
 
         function calculateTimesForNode(node) {
             node.selfTime = node.hitCount * samplingInterval;
             var totalHitCount = node.hitCount;
             for (var i = 0; i < node.children.length; i++)
                 totalHitCount += calculateTimesForNode(node.children[i]);
@@ skipping 344 matching lines @@
     /**
      * @param {number} index
      * @return {!ProfilerAgent.CPUProfileNode}
      */
     nodeByIndex: function(index)
     {
         return this._idToNode[this.samples[index]];
     }
 
 }