Revert 130484 - Merge 124886 - Web Inspector: Do not disable network tracking while profiling cpu.

Source/WebCore/inspector/front-end/ResourceTreeModel.js

Index: Source/WebCore/inspector/front-end/ResourceTreeModel.js
===================================================================
--- Source/WebCore/inspector/front-end/ResourceTreeModel.js	(revision 130858)
+++ Source/WebCore/inspector/front-end/ResourceTreeModel.js	(working copy)
@@ -35,6 +35,7 @@
  */
 WebInspector.ResourceTreeModel = function(networkManager)
 {
+    networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.ResourceTrackingEnabled, this._onResourceTrackingEnabled, this);
     networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestUpdated, this._onRequestUpdated, this);
     networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestFinished, this._onRequestUpdated, this);
     networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestUpdateDropped, this._onRequestUpdateDropped, this);
@@ -67,6 +68,11 @@
 }
 
 WebInspector.ResourceTreeModel.prototype = {
+    _onResourceTrackingEnabled: function()
+    {
+        this._fetchResourceTree();
+    },
+
     _fetchResourceTree: function()
     {
         this._frames = {};