Revert of Transfer media::VideoFrame using mojo shared memory

media/mojo/common/mojo_shared_buffer_video_frame.h

Index: media/mojo/common/mojo_shared_buffer_video_frame.h
diff --git a/media/mojo/common/mojo_shared_buffer_video_frame.h b/media/mojo/common/mojo_shared_buffer_video_frame.h
index bc49c3f1d833dfc623b134baac04a04f4a32eb7c..d27a85fc7950997b9c6340f5479584838e433793 100644
--- a/media/mojo/common/mojo_shared_buffer_video_frame.h
+++ b/media/mojo/common/mojo_shared_buffer_video_frame.h
@@ -15,18 +15,7 @@
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/size.h"
 
-namespace mojo {
-template <typename T, typename U>
-struct TypeConverter;
-template <typename T>
-class StructPtr;
-};
-
 namespace media {
-
-namespace interfaces {
-class VideoFrame;
-}
 
 // A derived class of media::VideoFrame holding a mojo::SharedBufferHandle
 // which is mapped on constructor and remains so for the lifetime of the
@@ -64,11 +53,6 @@
   size_t PlaneOffset(size_t plane) const;
 
  private:
-  // mojo::TypeConverter added as a friend so that MojoSharedBufferVideoFrame
-  // can be transferred across a mojo connection.
-  friend struct mojo::TypeConverter<mojo::StructPtr<interfaces::VideoFrame>,
-                                    scoped_refptr<VideoFrame>>;
-
   MojoSharedBufferVideoFrame(VideoPixelFormat format,
                              const gfx::Size& coded_size,
                              const gfx::Rect& visible_rect,
@@ -87,14 +71,6 @@
             size_t u_offset,
             size_t v_offset);
 
-  // Returns the mojo shared memory handle. This object continues to own the
-  // handle. Caller should call duplicate the handle if they want to keep a
-  // copy of the shared memory.
-  const mojo::SharedBufferHandle& Handle() const;
-
-  // Returns the size of the shared memory.
-  size_t MappedSize() const;
-
   mojo::ScopedSharedBufferHandle shared_buffer_handle_;
   size_t shared_buffer_size_;
   uint8_t* shared_buffer_data_;