Add a VideoDecodeContext that provides resources for a VideoDecodeEngine

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 4a9c4e2f1b46ec09bfaaa968f5fa7662a6a823ce..454fd4e3abfb355b61149e2ce2ac08e60c8a2bb7 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -2418,6 +2418,9 @@ WebMediaPlayer* RenderView::createMediaPlayer(
         AudioRendererImpl::CreateFactory(audio_message_filter()));
   }
 
+  // TODO(hclam): Need to inject Gles2VideoDecodeContext here. Also I need
+  // to create a factory for FFmpegVideoDecoder here so that it can use
+  // the Gles2VideoDecodeContext.
   if (cmd_line->HasSwitch(switches::kEnableAcceleratedDecoding) &&
       cmd_line->HasSwitch(switches::kEnableAcceleratedCompositing)) {
     // Add the hardware video decoder factory.