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

webkit/media/webvideoframe_impl.cc

Index: webkit/media/webvideoframe_impl.cc
diff --git a/webkit/media/webvideoframe_impl.cc b/webkit/media/webvideoframe_impl.cc
index 3e843f4911638ab006966d0f473bf3b0ba2b0596..ef49b274a3b4378963130cc439cc4931e4d759e3 100644
--- a/webkit/media/webvideoframe_impl.cc
+++ b/webkit/media/webvideoframe_impl.cc
@@ -108,4 +108,10 @@ unsigned WebVideoFrameImpl::textureId() const {
   return video_frame_->texture_id();
 }
 
+unsigned WebVideoFrameImpl::textureTarget() const {
+  if (!video_frame_.get() || format() != FormatNativeTexture)
+    return 0;
+  return video_frame_->texture_target();
+}
+
 }  // namespace webkit_media