Allow severing connection between dispatcher and injector

content/browser/intents/web_intents_dispatcher_impl.h

 // Copyright (c) 2012 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 CONTENT_BROWSER_INTENTS_WEB_INTENTS_DISPATCHER_IMPL_H_
 #define CONTENT_BROWSER_INTENTS_WEB_INTENTS_DISPATCHER_IMPL_H_
 
 #include <vector>
 #include "base/callback.h"
 #include "base/compiler_specific.h"
@@ skipping 17 matching lines @@
   // the correct Javascript callback.
   WebIntentsDispatcherImpl(content::WebContents* source_contents,
                            const webkit_glue::WebIntentData& intent,
                            int intent_id);
   virtual ~WebIntentsDispatcherImpl();
 
   // WebIntentsDispatcher implementation.
   virtual const webkit_glue::WebIntentData& GetIntent() OVERRIDE;
   virtual void DispatchIntent(
       content::WebContents* destination_contents) OVERRIDE;
+  virtual void CancelDispatch() OVERRIDE;
   virtual void SendReplyMessage(webkit_glue::WebIntentReplyType reply_type,
                                 const string16& data) OVERRIDE;
   virtual void RegisterReplyNotification(
       const content::WebIntentsDispatcher::ReplyNotification& closure) OVERRIDE;
 
   // content::WebContentsObserver implementation.
   virtual void WebContentsDestroyed(content::WebContents* contents) OVERRIDE;
 
  private:
   webkit_glue::WebIntentData intent_;
 
   int intent_id_;
 
   // Weak pointer to the internal object which provides the intent to the
   // newly-created service WebContents. This object is self-deleting
   // (connected to the service WebContents).
   IntentInjector* intent_injector_;
 
   // Callbacks to be notified when SendReplyMessage is called.
   std::vector<content::WebIntentsDispatcher::ReplyNotification>
       reply_notifiers_;
 
   DISALLOW_COPY_AND_ASSIGN(WebIntentsDispatcherImpl);
 };
 
 #endif  // CONTENT_BROWSER_INTENTS_WEB_INTENTS_DISPATCHER_IMPL_H_