Revert 194465 "media: Add support for playback for VP8 Alpha vid..."

trunk/src/media/base/video_util.h

Index: trunk/src/media/base/video_util.h
===================================================================
--- trunk/src/media/base/video_util.h	(revision 194468)
+++ trunk/src/media/base/video_util.h	(working copy)
@@ -19,7 +19,7 @@
                                       int aspect_ratio_numerator,
                                       int aspect_ratio_denominator);
 
-// Copies a plane of YUV(A) source into a VideoFrame object, taking into account
+// Copies a plane of YUV source into a VideoFrame object, taking into account
 // source and destinations dimensions.
 //
 // NOTE: rows is *not* the same as height!
@@ -29,14 +29,8 @@
                              VideoFrame* frame);
 MEDIA_EXPORT void CopyVPlane(const uint8* source, int stride, int rows,
                              VideoFrame* frame);
-MEDIA_EXPORT void CopyAPlane(const uint8* source, int stride, int rows,
-                             VideoFrame* frame);
-
-// Sets alpha plane values to be completely opaque (all 255's).
-MEDIA_EXPORT void MakeOpaqueAPlane(int stride, int rows, VideoFrame* frame);
-
 // |plane| is one of VideoFrame::kYPlane, VideoFrame::kUPlane,
-// VideoFrame::kVPlane or VideoFrame::kAPlane
+// or VideoFrame::kVPlane.
 MEDIA_EXPORT void CopyPlane(size_t plane, const uint8* source, int stride,
                             int rows, VideoFrame* frame);