Fixed a memory leak in SpeechRecognitionManagerImpl causing ChromeSpeechInputManagerDelegate to be …

content/browser/speech/speech_recognition_manager_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_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_
 #define CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_
 
 #include <map>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/memory/singleton.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
 #include "content/public/browser/speech_recognition_manager.h"
 #include "ui/gfx/rect.h"
 
 namespace content {
 class ResourceContext;
 class SpeechRecognitionManagerDelegate;
 class SpeechRecognitionPreferences;
 struct SpeechRecognitionResult;
@@ skipping 88 matching lines @@
       const SpeechRecognitionParams& params);
   void ProceedStartingRecognition(const SpeechRecognitionParams& params);
 
   void CancelRecognitionAndInformDelegate(int caller_id);
 
   typedef std::map<int, Request> SpeechRecognizerMap;
   SpeechRecognizerMap requests_;
   std::string request_info_;
   bool can_report_metrics_;
   int recording_caller_id_;
-  content::SpeechRecognitionManagerDelegate* delegate_;
+  scoped_ptr<content::SpeechRecognitionManagerDelegate> delegate_;
 };
 
 }  // namespace speech
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_