Cancel any pending speech recognitions when the dispatcher host terminates.

chrome/browser/speech/speech_input_manager.h

 // Copyright (c) 2010 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 CHROME_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_
 #define CHROME_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_
 
 #include "base/basictypes.h"
 #include "chrome/common/speech_input_result.h"
 #include "gfx/rect.h"
@@ skipping 45 matching lines @@
   virtual void StartRecognition(Delegate* delegate,
                                 int caller_id,
                                 int render_process_id,
                                 int render_view_id,
                                 const gfx::Rect& element_rect,
                                 const std::string& language,
                                 const std::string& grammar,
                                 const std::string& origin_url)  = 0;
   virtual void CancelRecognition(int caller_id) = 0;
   virtual void StopRecording(int caller_id) = 0;
+
+  virtual void CancelAllRequestsWithDelegate(Delegate* delegate) = 0;
 };
 
 // This typedef is to workaround the issue with certain versions of
 // Visual Studio where it gets confused between multiple Delegate
 // classes and gives a C2500 error. (I saw this error on the try bots -
 // the workaround was not needed for my machine).
 typedef SpeechInputManager::Delegate SpeechInputManagerDelegate;
 
 }  // namespace speech_input
 
 #endif  // CHROME_BROWSER_SPEECH_SPEECH_INPUT_MANAGER_H_