Tab Capture: Backing store readbacks to YV12 VideoFrames.

media/base/video_util.cc

Index: media/base/video_util.cc
diff --git a/media/base/video_util.cc b/media/base/video_util.cc
index 4bef0adc88b1e92a17ff0e3e9fe3543ac646fce9..487c59521acd7bc8736412dfee697dd7d4f920e8 100644
--- a/media/base/video_util.cc
+++ b/media/base/video_util.cc
@@ -30,8 +30,8 @@ gfx::Size GetNaturalSize(const gfx::Size& visible_size,
   return gfx::Size(width & ~1, height);
 }
 
-static void CopyPlane(size_t plane, const uint8* source, int stride, int rows,
-                      VideoFrame* frame) {
+void CopyPlane(size_t plane, const uint8* source, int stride, int rows,
+               VideoFrame* frame) {
   uint8* dest = frame->data(plane);
   int dest_stride = frame->stride(plane);