Convert //chromecast from scoped_ptr to std::unique_ptr

chromecast/renderer/media/media_channel_proxy.h

Index: chromecast/renderer/media/media_channel_proxy.h
diff --git a/chromecast/renderer/media/media_channel_proxy.h b/chromecast/renderer/media/media_channel_proxy.h
index c7c46965bf66b68109e66784a66d80450b9c7eca..3bf6ecbcde984152eb37cc11c471f23f5f235f1f 100644
--- a/chromecast/renderer/media/media_channel_proxy.h
+++ b/chromecast/renderer/media/media_channel_proxy.h
@@ -5,9 +5,10 @@
 #ifndef CHROMECAST_RENDERER_MEDIA_MEDIA_CHANNEL_PROXY_H_
 #define CHROMECAST_RENDERER_MEDIA_MEDIA_CHANNEL_PROXY_H_
 
+#include <memory>
+
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
 #include "chromecast/media/cma/pipeline/load_type.h"
 #include "chromecast/renderer/media/cma_message_filter_proxy.h"
 
@@ -44,7 +45,7 @@ class MediaChannelProxy
       const CmaMessageFilterProxy::VideoDelegate& video_delegate);
 
   // Sends an IPC message over this CMA ipc channel.
-  bool Send(scoped_ptr<IPC::Message> message);
+  bool Send(std::unique_ptr<IPC::Message> message);
 
  private:
   friend class base::RefCountedThreadSafe<MediaChannelProxy>;
@@ -65,4 +66,4 @@ class MediaChannelProxy
 }  // namespace media
 }  // namespace chromecast
 
-#endif  // CHROMECAST_RENDERER_MEDIA_MEDIA_CHANNEL_PROXY_H_
+#endif  // CHROMECAST_RENDERER_MEDIA_MEDIA_CHANNEL_PROXY_H_