Add VideoLayout message.

remoting/protocol/webrtc_video_capturer_adapter.cc

Index: remoting/protocol/webrtc_video_capturer_adapter.cc
diff --git a/remoting/protocol/webrtc_video_capturer_adapter.cc b/remoting/protocol/webrtc_video_capturer_adapter.cc
index 0511a8fd390b5e2bfd8decda2516f77eef982036..d7369a407b349adee11c14558a14d9a7dd6252bd 100644
--- a/remoting/protocol/webrtc_video_capturer_adapter.cc
+++ b/remoting/protocol/webrtc_video_capturer_adapter.cc
@@ -30,7 +30,7 @@ WebrtcVideoCapturerAdapter::~WebrtcVideoCapturerAdapter() {
 }
 
 void WebrtcVideoCapturerAdapter::SetSizeCallback(
-    const SizeCallback& size_callback) {
+    const VideoStream::SizeCallback& size_callback) {
   DCHECK(thread_checker_.CalledOnValidThread());
   size_callback_ = size_callback;
 }
@@ -169,7 +169,7 @@ void WebrtcVideoCapturerAdapter::OnCaptureCompleted(
   if (!yuv_frame_ || yuv_frame_->GetWidth() != width ||
       yuv_frame_->GetHeight() != height) {
     if (!size_callback_.is_null())
-      size_callback_.Run(frame->size());
+      size_callback_.Run(frame->size(), frame->dpi());
 
     scoped_ptr<cricket::WebRtcVideoFrame> webrtc_frame(
         new cricket::WebRtcVideoFrame());