Fix for WebView accessible resources.

extensions/renderer/dispatcher_delegate.h

 // 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.
 
 #ifndef EXTENSIONS_RENDERER_DISPATCHER_DELEGATE_H_
 #define EXTENSIONS_RENDERER_DISPATCHER_DELEGATE_H_
 
 #include <set>
 #include <string>
 
@@ skipping 34 matching lines @@
 
   // Allows the delegate to respond to an updated set of active extensions in
   // the Dispatcher.
   virtual void OnActiveExtensionsUpdated(
       const std::set<std::string>& extension_ids) {}
 
   // Sets the current Chrome channel.
   // TODO(rockot): This doesn't belong in a generic extensions system interface.
   // See http://crbug.com/368431.
   virtual void SetChannel(int channel) {}
+
+  // Sets the WebView parition ID for this renderer process. This should only be
+  // called in a WebView guest renderer process.
+  virtual void SetWebViewPartitionID(const std::string& parition_id) {}
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_RENDERER_DISPATCHER_DELEGATE_H_