Convert //content/renderer from scoped_ptr to std::unique_ptr

content/renderer/pepper/ppb_video_decoder_impl.h

Index: content/renderer/pepper/ppb_video_decoder_impl.h
diff --git a/content/renderer/pepper/ppb_video_decoder_impl.h b/content/renderer/pepper/ppb_video_decoder_impl.h
index ad64e3704549aa04ffefa0fa697f9957c6d0ba13..c0597a2321105311bedcdcbb35435c190fdfe0a7 100644
--- a/content/renderer/pepper/ppb_video_decoder_impl.h
+++ b/content/renderer/pepper/ppb_video_decoder_impl.h
@@ -70,7 +70,7 @@ class PPB_VideoDecoder_Impl : public ppapi::PPB_VideoDecoder_Shared,
 
   // This is NULL before initialization, and after destruction.
   // Holds a GpuVideoDecodeAcceleratorHost.
-  scoped_ptr<media::VideoDecodeAccelerator> decoder_;
+  std::unique_ptr<media::VideoDecodeAccelerator> decoder_;
 
   // The interface to use when making calls on the plugin. For the most part,
   // methods should not use this directly but should call GetPPP() instead.