Add distinction between RGB and RGBA native texture video frames and resources

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 cebed0af11a47aea5537b92346d97cebae1ef05f..512f6aad37f5dea0e3b58b020a9239fc5cf96392 100644
--- a/media/base/video_frame.h
+++ b/media/base/video_frame.h
@@ -109,7 +109,8 @@ class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
       const gfx::Rect& visible_rect,
       const gfx::Size& natural_size,
       base::TimeDelta timestamp,
-      bool allow_overlay);
+      bool allow_overlay,
+      bool has_alpha);
 
   // Wraps packed image data residing in a memory buffer with a VideoFrame.
   // The image data resides in |data| and is assumed to be packed tightly in a
@@ -300,6 +301,8 @@ class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
 
   bool allow_overlay() const { return allow_overlay_; }
 
+  bool has_alpha() const { return has_alpha_; }
+
 #if defined(OS_POSIX)
   // Returns backing dmabuf file descriptor for given |plane|, if present.
   int dmabuf_fd(size_t plane) const;
@@ -416,6 +419,7 @@ class MEDIA_EXPORT VideoFrame : public base::RefCountedThreadSafe<VideoFrame> {
   VideoFrameMetadata metadata_;
 
   bool allow_overlay_;
+  bool has_alpha_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoFrame);
 };