Deletes the class VideoRendererCallback.

webrtc/modules/video_render/linux/video_x11_channel.cc

Index: webrtc/modules/video_render/linux/video_x11_channel.cc
diff --git a/webrtc/modules/video_render/linux/video_x11_channel.cc b/webrtc/modules/video_render/linux/video_x11_channel.cc
index 8d86b7c72ad6b3d58f8a68ba9da18f22481c7de2..888e6902e3874d7be998bd64980aa41195bb639e 100644
--- a/webrtc/modules/video_render/linux/video_x11_channel.cc
+++ b/webrtc/modules/video_render/linux/video_x11_channel.cc
@@ -43,16 +43,15 @@ VideoX11Channel::~VideoX11Channel()
     delete &_crit;
 }
 
-int32_t VideoX11Channel::RenderFrame(const uint32_t streamId,
-                                     const VideoFrame& videoFrame) {
+void VideoX11Channel::OnFrame(const VideoFrame& videoFrame) {
   CriticalSectionScoped cs(&_crit);
   if (_width != videoFrame.width() || _height
       != videoFrame.height()) {
       if (FrameSizeChange(videoFrame.width(), videoFrame.height(), 1) == -1) {
-        return -1;
+        return;
     }
   }
-  return DeliverFrame(videoFrame);
+  DeliverFrame(videoFrame);
 }
 
 int32_t VideoX11Channel::FrameSizeChange(int32_t width,
@@ -72,6 +71,7 @@ int32_t VideoX11Channel::FrameSizeChange(int32_t width,
     return 0;
 }
 
+// TODO(nisse): Delete return value?
 int32_t VideoX11Channel::DeliverFrame(const VideoFrame& videoFrame) {
   CriticalSectionScoped cs(&_crit);
   if (!_prepared) {