Replace scoped_ptr with unique_ptr in webrtc/voice_engine/

webrtc/voice_engine/voice_engine_impl.h

Index: webrtc/voice_engine/voice_engine_impl.h
diff --git a/webrtc/voice_engine/voice_engine_impl.h b/webrtc/voice_engine/voice_engine_impl.h
index f98f88121468d15ab24d3aee12609eb084f72f56..ed6efe3d9e7df2c91bc7bd22a221d5686d6c845d 100644
--- a/webrtc/voice_engine/voice_engine_impl.h
+++ b/webrtc/voice_engine/voice_engine_impl.h
@@ -11,7 +11,8 @@
 #ifndef WEBRTC_VOICE_ENGINE_VOICE_ENGINE_IMPL_H
 #define WEBRTC_VOICE_ENGINE_VOICE_ENGINE_IMPL_H
 
-#include "webrtc/base/scoped_ptr.h"
+#include <memory>
+
 #include "webrtc/engine_configurations.h"
 #include "webrtc/system_wrappers/include/atomic32.h"
 #include "webrtc/voice_engine/voe_base_impl.h"
@@ -134,14 +135,14 @@ class VoiceEngineImpl : public voe::SharedData,  // Must be the first base class
 
   // Backdoor to access a voe::Channel object without a channel ID. This is only
   // to be used while refactoring the VoE API!
-  virtual rtc::scoped_ptr<voe::ChannelProxy> GetChannelProxy(int channel_id);
+  virtual std::unique_ptr<voe::ChannelProxy> GetChannelProxy(int channel_id);
 
  // This is *protected* so that FakeVoiceEngine can inherit from the class and
  // manipulate the reference count. See: fake_voice_engine.h.
  protected:
   Atomic32 _ref_count;
  private:
-  rtc::scoped_ptr<const Config> own_config_;
+  std::unique_ptr<const Config> own_config_;
 };
 
 }  // namespace webrtc