Implement VP8 encoder for chromoting

remoting/base/protocol/chromotocol.proto

 // Copyright (c) 2010 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.
 //
 // Protocol for communication between chromoting client and host.
 
 syntax = "proto2";
 
 option optimize_for = LITE_RUNTIME;
 
@@ skipping 16 matching lines @@
 // A message to denote the end of an update stream.
 // NEXT ID: 1
 message EndUpdateStreamMessage {
 }
 
 // Identifies how the image was encoded.
 enum UpdateStreamEncoding {
   EncodingInvalid = -1;
   EncodingNone = 0;
   EncodingZlib = 1;
+  EncodingVp8 = 2;
 }
 
 // Identifies the pixel format.
 // Note that this list should match exactly the same as
 // media::VideoFrame::Format in media/base/video_frame.h.
 enum PixelFormat {
   PixelFormatInvalid = 0;
   PixelFormatRgb555 = 1;
   PixelFormatRgb565 = 2;
   PixelFormatRgb24 = 3;
@@ skipping 119 matching lines @@
 // Only one of the optional messages should be present.
 // NEXT ID: 7
 message ChromotingClientMessage {
   optional KeyEvent key_event = 1;
   optional MouseSetPositionEvent mouse_set_position_event = 2;
   optional MouseMoveEvent mouse_move_event = 3;
   optional MouseWheelEvent mouse_wheel_event = 4;
   optional MouseDownEvent mouse_down_event = 5;
   optional MouseUpEvent mouse_up_event = 6;
 }