Add WebrtcVideoEncoder interface

remoting/codec/video_encoder_verbatim.cc

 // 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.
 
 #include "remoting/codec/video_encoder_verbatim.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "remoting/base/util.h"
 #include "remoting/proto/video.pb.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_frame.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_geometry.h"
 #include "third_party/webrtc/modules/desktop_capture/desktop_region.h"
 
 namespace remoting {
 
 static uint8_t* GetPacketOutputBuffer(VideoPacket* packet, size_t size) {
   packet->mutable_data()->resize(size);
   return reinterpret_cast<uint8_t*>(
       base::string_as_array(packet->mutable_data()));
 }
 
 VideoEncoderVerbatim::VideoEncoderVerbatim() {}
 VideoEncoderVerbatim::~VideoEncoderVerbatim() {}
 
 std::unique_ptr<VideoPacket> VideoEncoderVerbatim::Encode(
-    const webrtc::DesktopFrame& frame,
-    uint32_t flags) {
+    const webrtc::DesktopFrame& frame) {
   DCHECK(frame.data());
 
   // If nothing has changed in the frame then return NULL to indicate that
   // we don't need to actually send anything (e.g. nothing to top-off).
   if (frame.updated_region().is_empty())
     return nullptr;
 
   // Create a VideoPacket with common fields (e.g. DPI, rects, shape) set.
   std::unique_ptr<VideoPacket> packet(helper_.CreateVideoPacket(frame));
   packet->mutable_format()->set_encoding(VideoPacketFormat::ENCODING_VERBATIM);
@@ skipping 21 matching lines @@
       memcpy(out, in, row_size);
       out += row_size;
       in += in_stride;
     }
   }
 
   return packet;
 }
 
 }  // namespace remoting