Replace scoped_ptr with unique_ptr in webrtc/media/

webrtc/media/engine/webrtcvoe.h

 /*
  *  Copyright (c) 2004 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 26 matching lines @@
     if (ptr) {
       VERIFY(webrtc::VoiceEngine::Delete(ptr));
       ptr = NULL;
     }
   }
   webrtc::VoiceEngine* get() const { return ptr; }
  private:
   webrtc::VoiceEngine* ptr;
 };
 
-// scoped_ptr class to handle obtaining and releasing WebRTC interface pointers
+// unique_ptr-like class to handle obtaining and releasing WebRTC interface
+// pointers.
 template<class T>
 class scoped_voe_ptr {
  public:
   explicit scoped_voe_ptr(const scoped_voe_engine& e)
       : ptr(T::GetInterface(e.get())) {}
   explicit scoped_voe_ptr(T* p) : ptr(p) {}
   ~scoped_voe_ptr() { if (ptr) ptr->Release(); }
   T* operator->() const { return ptr; }
   T* get() const { return ptr; }
 
@@ skipping 52 matching lines @@
   scoped_voe_ptr<webrtc::VoEBase> base_;
   scoped_voe_ptr<webrtc::VoECodec> codec_;
   scoped_voe_ptr<webrtc::VoEHardware> hw_;
   scoped_voe_ptr<webrtc::VoENetwork> network_;
   scoped_voe_ptr<webrtc::VoERTP_RTCP> rtp_;
   scoped_voe_ptr<webrtc::VoEVolumeControl> volume_;
 };
 }  // namespace cricket
 
 #endif  // WEBRTC_MEDIA_ENGINE_WEBRTCVOE_H_