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

trunk/src/cc/resources/video_resource_updater.cc

Index: trunk/src/cc/resources/video_resource_updater.cc
===================================================================
--- trunk/src/cc/resources/video_resource_updater.cc	(revision 194468)
+++ trunk/src/cc/resources/video_resource_updater.cc	(working copy)
@@ -46,7 +46,6 @@
   switch (video_frame->format()) {
     // Acceptable inputs.
     case media::VideoFrame::YV12:
-    case media::VideoFrame::YV12A:
     case media::VideoFrame::YV16:
     case media::VideoFrame::NATIVE_TEXTURE:
 #if defined(GOOGLE_TV)
@@ -77,7 +76,6 @@
 
     switch (input_frame_format) {
       case media::VideoFrame::YV12:
-      case media::VideoFrame::YV12A:
         return gfx::ToFlooredSize(gfx::ScaleSize(coded_size, 0.5f, 0.5f));
       case media::VideoFrame::YV16:
         return gfx::ToFlooredSize(gfx::ScaleSize(coded_size, 0.5f, 1.f));
@@ -115,10 +113,8 @@
 
   // Only YUV software video frames are supported.
   DCHECK(input_frame_format == media::VideoFrame::YV12 ||
-         input_frame_format == media::VideoFrame::YV12A ||
          input_frame_format == media::VideoFrame::YV16);
   if (input_frame_format != media::VideoFrame::YV12 &&
-      input_frame_format != media::VideoFrame::YV12A &&
       input_frame_format != media::VideoFrame::YV16)
     return VideoFrameExternalResources();