[DevTools] No NetworkManager and NetworkLog for v8only mode

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

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 /**
  * @constructor
  * @extends {WebInspector.SDKModel}
  * @param {!WebInspector.Target} target
+ * @param {?WebInspector.NetworkManager} networkManager
  */
-WebInspector.ResourceTreeModel = function(target)
+WebInspector.ResourceTreeModel = function(target, networkManager)
 {
     WebInspector.SDKModel.call(this, WebInspector.ResourceTreeModel, target);
-
-    target.networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestFinished, this._onRequestFinished, this);
-    target.networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestUpdateDropped, this._onRequestUpdateDropped, this);
+    if (networkManager) {
+        networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestFinished,
+            this._onRequestFinished, this);
+        networkManager.addEventListener(WebInspector.NetworkManager.EventTypes.RequestUpdateDropped,
+            this._onRequestUpdateDropped, this);
+    }
 
     this._agent = target.pageAgent();
     this._agent.enable();
 
     this._fetchResourceTree();
 
     target.registerPageDispatcher(new WebInspector.PageDispatcher(this));
 
     this._securityOriginFrameCount = {};
     this._inspectedPageURL = "";
@@ skipping 870 matching lines @@
     },
 
     /**
      * @override
      */
     interstitialHidden: function()
     {
         // Frontend is not interested in interstitials.
     }
 }