Allow severing connection between dispatcher and injector

content/public/browser/web_intents_dispatcher.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_PUBLIC_BROWSER_WEB_INTENTS_DISPATCHER_H_
 #define CONTENT_PUBLIC_BROWSER_WEB_INTENTS_DISPATCHER_H_
 
 #include "base/callback.h"
 #include "content/common/content_export.h"
 #include "webkit/glue/web_intent_reply_data.h"
@@ skipping 36 matching lines @@
 
   virtual ~WebIntentsDispatcher() {}
 
   // Get the intent data being dispatched.
   virtual const webkit_glue::WebIntentData& GetIntent() = 0;
 
   // Attach the intent to a new context in which the service page is loaded.
   // |web_contents| must not be NULL.
   virtual void DispatchIntent(WebContents* web_contents) = 0;
 
+  // Abandon current attempt to dispatch, allow new call to DispatchIntent.
+  virtual void CancelDispatch() = 0;

[Greg Billock, 2012/04/25 14:26:52]

How about ResetDispatch. This sounds like it'll cancel the whole effort.

[groby-ooo-7-16, 2012/04/25 16:40:10]

Done.

+
   // Return a success or failure message to the source context which invoked
   // the intent. Deletes the object; it should not be used after this call
   // returns. Calls the reply notifications, if any are registered.
   virtual void SendReplyMessage(webkit_glue::WebIntentReplyType reply_type,
                                 const string16& data) = 0;
 
   // Register a callback to be notified when SendReplyMessage is called.
   // Multiple callbacks may be registered.
   virtual void RegisterReplyNotification(const ReplyNotification& closure) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_WEB_INTENTS_DISPATCHER_H_