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

media/base/video_frame.cc

Index: media/base/video_frame.cc
diff --git a/media/base/video_frame.cc b/media/base/video_frame.cc
index 294edb5c7dc5a42571914ce5e2ad4ba881231cb0..fc977364417280706f5dadd95ad58d47b299408e 100644
--- a/media/base/video_frame.cc
+++ b/media/base/video_frame.cc
@@ -61,6 +61,7 @@ bool VideoFrame::IsValidConfig(
 // static
 scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture(
     uint32 texture_id,
+    uint32 texture_target,
     size_t width,
     size_t height,
     base::TimeDelta timestamp,
@@ -69,6 +70,7 @@ scoped_refptr<VideoFrame> VideoFrame::WrapNativeTexture(
   scoped_refptr<VideoFrame> frame(
       new VideoFrame(NATIVE_TEXTURE, width, height, timestamp, duration));
   frame->texture_id_ = texture_id;
+  frame->texture_target_ = texture_target;
   frame->texture_no_longer_needed_ = no_longer_needed;
   return frame;
 }
@@ -150,7 +152,8 @@ VideoFrame::VideoFrame(VideoFrame::Format format,
     : format_(format),
       width_(width),
       height_(height),
-      texture_id_(0) {
+      texture_id_(0),
+      texture_target_(0) {
   SetTimestamp(timestamp);
   SetDuration(duration);
   memset(&strides_, 0, sizeof(strides_));
@@ -260,6 +263,11 @@ uint32 VideoFrame::texture_id() const {
   return texture_id_;
 }
 
+uint32 VideoFrame::texture_target() const {
+  DCHECK_EQ(format_, NATIVE_TEXTURE);
+  return texture_target_;
+}
+
 bool VideoFrame::IsEndOfStream() const {
   return format_ == VideoFrame::EMPTY;
 }