[Devtools] Bug fix with url as undefined in blocked requests

third_party/WebKit/Source/devtools/front_end/sdk/NetworkManager.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 426 matching lines @@
 
     networkRequest.failed = true;
     networkRequest.setResourceType(Common.resourceTypes[resourceType]);
     networkRequest.canceled = !!canceled;
     if (blockedReason) {
       networkRequest.setBlockedReason(blockedReason);
       if (blockedReason === Protocol.Network.BlockedReason.Inspector) {
         var consoleModel = this._manager._target.consoleModel;
         consoleModel.addMessage(new SDK.ConsoleMessage(
             consoleModel.target(), SDK.ConsoleMessage.MessageSource.Network, SDK.ConsoleMessage.MessageLevel.Warning,
-            Common.UIString('Request was blocked by DevTools: "%s".', networkRequest.url),
+            Common.UIString('Request was blocked by DevTools: "%s".', networkRequest.url()),
             SDK.ConsoleMessage.MessageType.Log, '', 0, 0, networkRequest.requestId()));
       }
     }
     networkRequest.localizedFailDescription = localizedDescription;
     this._finishNetworkRequest(networkRequest, time, -1);
   }
 
   /**
    * @override
    * @param {!Protocol.Network.RequestId} requestId
@@ skipping 439 matching lines @@
 SDK.MultitargetNetworkManager.Events = {
   ConditionsChanged: Symbol('ConditionsChanged'),
   UserAgentChanged: Symbol('UserAgentChanged')
 };
 
 
 /**
  * @type {!SDK.MultitargetNetworkManager}
  */
 SDK.multitargetNetworkManager;