Use std::default_delete as the default deleter for scoped_ptr.

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 <memory>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/compiler_specific.h"
 #include "base/memory/weak_ptr.h"
 #include "content/browser/renderer_host/media/media_stream_requester.h"
 #include "content/public/browser/speech_recognition_event_listener.h"
 #include "content/public/browser/speech_recognition_manager.h"
 #include "content/public/browser/speech_recognition_session_config.h"
@@ skipping 72 matching lines @@
   void OnAudioLevelsChange(int session_id,
                            float volume,
                            float noise_volume) override;
 
   SpeechRecognitionManagerDelegate* delegate() const { return delegate_.get(); }
 
  protected:
   // BrowserMainLoop is the only one allowed to istantiate and free us.
   friend class BrowserMainLoop;
   // Needed for dtor.
-  friend struct base::DefaultDeleter<SpeechRecognitionManagerImpl>;
+  friend std::default_delete<SpeechRecognitionManagerImpl>;
   SpeechRecognitionManagerImpl(media::AudioManager* audio_manager,
                                MediaStreamManager* media_stream_manager);
   ~SpeechRecognitionManagerImpl() override;
 
  private:
   // Data types for the internal Finite State Machine (FSM).
   enum FSMState {
     SESSION_STATE_IDLE = 0,
     SESSION_STATE_CAPTURING_AUDIO,
     SESSION_STATE_WAITING_FOR_RESULT,
@@ skipping 72 matching lines @@
 
   // Used for posting asynchronous tasks (on the IO thread) without worrying
   // about this class being destroyed in the meanwhile (due to browser shutdown)
   // since tasks pending on a destroyed WeakPtr are automatically discarded.
   base::WeakPtrFactory<SpeechRecognitionManagerImpl> weak_factory_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_SPEECH_SPEECH_RECOGNITION_MANAGER_IMPL_H_