Implement VP9/I444 encode support in the Chromoting host.

remoting/base/util.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef REMOTING_BASE_UTIL_H_
 #define REMOTING_BASE_UTIL_H_
 
 #include <string>
 
 #include "media/base/video_frame.h"
@@ skipping 32 matching lines @@
     int source_ystride,
     int source_uvstride,
     const webrtc::DesktopSize& source_size,
     const webrtc::DesktopRect& source_buffer_rect,
     uint8* dest_buffer,
     int dest_stride,
     const webrtc::DesktopSize& dest_size,
     const webrtc::DesktopRect& dest_buffer_rect,
     const webrtc::DesktopRect& dest_rect);
 
-// Convert RGB32 to YUV on a specific rectangle.
-void ConvertRGB32ToYUVWithRect(const uint8* rgb_plane,
-                               uint8* y_plane,
-                               uint8* u_plane,
-                               uint8* v_plane,
-                               int x,
-                               int y,
-                               int width,
-                               int height,
-                               int rgb_stride,
-                               int y_stride,
-                               int uv_stride);
-
 int RoundToTwosMultiple(int x);
 
 // Align the sides of the rectangle to multiples of 2 (expanding outwards).
 webrtc::DesktopRect AlignRect(const webrtc::DesktopRect& rect);
 
 // Scales the supplied rectangle from |in_size| coordinates to |out_size|.
 // If the result has non-integer coordinates then the smallest integer-
 // coordinate rectangle that wholly encloses it is returned.
 webrtc::DesktopRect ScaleRect(const webrtc::DesktopRect& rect,
                               const webrtc::DesktopSize& in_size,
@@ skipping 16 matching lines @@
 
 // Checks if the given string is a valid UTF-8 string.
 bool StringIsUtf8(const char* data, size_t length);
 
 bool DoesRectContain(const webrtc::DesktopRect& a,
                      const webrtc::DesktopRect& b);
 
 }  // namespace remoting
 
 #endif  // REMOTING_BASE_UTIL_H_