Add texture target field to video frame (for use by native textures).

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 e9e95fd7524c0228ea1d14c0f4419becb2b9153a..29bba20a89db6880dc3c7c66ab585b99f7c7fe9e 100644
--- a/media/base/video_frame.h
+++ b/media/base/video_frame.h
@@ -92,6 +92,9 @@ class MEDIA_EXPORT VideoFrame : public StreamSample {
   // call if this is a NATIVE_TEXTURE frame.
   uint32 texture_id() const;
 
+  // Returns the texture target. Only valid for NATIVE_TEXTURE frames.
+  uint32 texture_target() const;
+
   // StreamSample interface.
   virtual bool IsEndOfStream() const OVERRIDE;
 
@@ -129,6 +132,7 @@ class MEDIA_EXPORT VideoFrame : public StreamSample {
 
   // Native texture ID, if this is a NATIVE_TEXTURE frame.
   uint32 texture_id_;
+  uint32 texture_target_;
   base::Closure texture_no_longer_needed_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(VideoFrame);