DevTools: add support for main resource load tracking.

webkit/glue/devtools/js/devtools.js

 // Copyright (c) 2009 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.
 
 /**
  * @fileoverview Tools is a main class that wires all components of the 
  * DevTools frontend together. It is also responsible for overriding existing
  * WebInspector functionality while it is getting upstreamed into WebCore.
  */
 goog.provide('devtools.Tools');
@@ skipping 15 matching lines @@
   this.netAgent_ = new devtools.NetAgent();
   this.reset();
 };
 
 
 /**
  * Rests tools agent to its initial state.
  */
 devtools.ToolsAgent.prototype.reset = function() {
   this.domAgent_.reset();
+  this.netAgent_.reset();
   this.domAgent_.getDocumentElementAsync();
 };
 
 
 /**
  * @param {string} script Script exression to be evaluated in the context of the
  *     inspected page.
  * @param {function(string):undefined} callback Function to call with the
  *     result.
  */
@@ skipping 61 matching lines @@
 /**
  * @see tools_agent.h
  */
 devtools.ToolsAgent.prototype.updateFocusedNode = function(nodeId) {
   var node = this.domAgent_.getNodeForId(nodeId);
   WebInspector.updateFocusedNode(node);
 };
 
 
 /**
+ * @param {string} url Url frame navigated to.
+ * @param {bool} topLevel True iff top level navigation occurred.
  * @see tools_agent.h
  */
 devtools.ToolsAgent.prototype.frameNavigate = function(url, topLevel) {
-  this.reset();
-  WebInspector.reset();
+  if (topLevel) {
+    this.reset();
+    WebInspector.reset();
+  }
 };
 
 
 /**
  * Evaluates js expression.
  * @param {string} expr
  */
 devtools.ToolsAgent.prototype.evaluate = function(expr) {
   RemoteToolsAgent.evaluate(expr);
 };
@@ skipping 180 matching lines @@
   }
   properties.sort();
 
   treeOutline.removeChildren();
 
   for (var i = 0; i < properties.length; ++i) {
     var propertyName = properties[i];
     treeOutline.appendChild(new constructor(obj, propertyName));
   }
 };