DevTools: Initial implementation of line-level CPU profile.

third_party/WebKit/Source/devtools/front_end/timeline/TimelineJSProfile.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.
 
 
 WebInspector.TimelineJSProfileProcessor = { };
 
 /**
- * @param {!ProfilerAgent.CPUProfile} jsProfile
+ * @param {!WebInspector.CPUProfileDataModel} jsProfileModel
  * @param {!WebInspector.TracingModel.Thread} thread
  * @return {!Array<!WebInspector.TracingModel.Event>}
  */
-WebInspector.TimelineJSProfileProcessor.generateTracingEventsFromCpuProfile = function(jsProfile, thread)
+WebInspector.TimelineJSProfileProcessor.generateTracingEventsFromCpuProfile = function(jsProfileModel, thread)
 {
-    if (!jsProfile.samples)
-        return [];
-    var jsProfileModel = new WebInspector.CPUProfileDataModel(jsProfile);
     var idleNode = jsProfileModel.idleNode;
     var programNode = jsProfileModel.programNode;
     var gcNode = jsProfileModel.gcNode;
     var samples = jsProfileModel.samples;
     var timestamps = jsProfileModel.timestamps;
     var jsEvents = [];
     /** @type {!Map<!Object, !Array<!RuntimeAgent.CallFrame>>} */
     var nodeToStackMap = new Map();
     nodeToStackMap.set(programNode, []);
     for (var i = 0; i < samples.length; ++i) {
@@ skipping 459 matching lines @@
                 WebInspector.TracingModel.Phase.Instant, e.startTime, e.thread);
             sampleEvent.ordinal = e.ordinal;
             sampleEvent.args = {"data": {"stackTrace": stack }};
             samples.push(sampleEvent);
             break;
         }
     }
 
     return samples;
 }