Replace scoped_ptr with unique_ptr in webrtc/common_video/

webrtc/common_video/include/video_frame_buffer.h

Index: webrtc/common_video/include/video_frame_buffer.h
diff --git a/webrtc/common_video/include/video_frame_buffer.h b/webrtc/common_video/include/video_frame_buffer.h
index 191f83e1817049c639de9e93209d6518b14ad2aa..270f2d5a2d036b20f09fff61bc3bdba160b7b8e0 100644
--- a/webrtc/common_video/include/video_frame_buffer.h
+++ b/webrtc/common_video/include/video_frame_buffer.h
@@ -11,9 +11,12 @@
 #ifndef WEBRTC_COMMON_VIDEO_INCLUDE_VIDEO_FRAME_BUFFER_H_
 #define WEBRTC_COMMON_VIDEO_INCLUDE_VIDEO_FRAME_BUFFER_H_
 
+#include <stdint.h>
+
+#include <memory>
+
 #include "webrtc/base/callback.h"
 #include "webrtc/base/refcount.h"
-#include "webrtc/base/scoped_ptr.h"
 #include "webrtc/base/scoped_ref_ptr.h"
 #include "webrtc/system_wrappers/include/aligned_malloc.h"
 
@@ -87,7 +90,7 @@ class I420Buffer : public VideoFrameBuffer {
   const int stride_y_;
   const int stride_u_;
   const int stride_v_;
-  const rtc::scoped_ptr<uint8_t, AlignedFreeDeleter> data_;
+  const std::unique_ptr<uint8_t, AlignedFreeDeleter> data_;
 };
 
 // Base class for native-handle buffer is a wrapper around a |native_handle|.