Plumb allow_overlay flag for video path into cc

media/base/video_frame.h

Index: media/base/video_frame.h
diff --git a/media/base/video_frame.h b/media/base/video_frame.h
index ca2a2e28e0e05ffbcca8166c6994075abe167754..cb4c8f042b35f5b3e691700724ecd67d40c8bc1a 100644
--- a/media/base/video_frame.h
+++ b/media/base/video_frame.h
@@ -292,6 +292,9 @@ class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
   // Returns the shared-memory handle, if present
   base::SharedMemoryHandle shared_memory_handle() const;
 
+  void set_allow_overlay(bool allow_overlay) { allow_overlay_ = allow_overlay; }
+  bool allow_overlay() const { return allow_overlay_; }
+
 #if defined(OS_POSIX)
   // Returns backing dmabuf file descriptor for given |plane|, if present.
   int dmabuf_fd(size_t plane) const;
@@ -403,6 +406,8 @@ class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
 
   const bool end_of_stream_;
 
+  bool allow_overlay_;
+
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoFrame);
 };