Making sure that SpeechRecognitionDispatcherHost is not used after free

content/public/browser/speech_recognition_manager.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_SPEECH_RECOGNITION_MANAGER_H_
 #define CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_MANAGER_H_
 
 #include "base/callback.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
@@ skipping 30 matching lines @@
   // Creates a new recognition session.
   virtual int CreateSession(const SpeechRecognitionSessionConfig& config) = 0;
 
   // Starts/restarts recognition for an existing session, after performing a
   // premilinary check on the delegate (CheckRecognitionIsAllowed).
   virtual void StartSession(int session_id) = 0;
 
   // Aborts recognition for an existing session, without providing any result.
   virtual void AbortSession(int session_id) = 0;
 
-  // Aborts all sessions for a given listener, without providing any result.
-  virtual void AbortAllSessionsForListener(
-      SpeechRecognitionEventListener* listener) = 0;
+  // Aborts all sessions for a given render process,
+  // without providing any result.
+  virtual void AbortAllSessionsForRenderProcess(int render_process_id) = 0;
 
   // Aborts all sessions for a given RenderView, without providing any result.
   virtual void AbortAllSessionsForRenderView(int render_process_id,
                                              int render_view_id) = 0;
 
   // Stops audio capture for an existing session. The audio captured before the
   // call will be processed, possibly ending up with a result.
   virtual void StopAudioCaptureForSession(int session_id) = 0;
 
   // Retrieves the configuration of a session, as provided by the caller
@@ skipping 25 matching lines @@
  protected:
   virtual ~SpeechRecognitionManager() {}
 
  private:
   static SpeechRecognitionManager* manager_for_tests_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_SPEECH_RECOGNITION_MANAGER_H_