Fix support for yuv_422 pixel format.

media/base/video_decoder_config.h

Index: media/base/video_decoder_config.h
diff --git a/media/base/video_decoder_config.h b/media/base/video_decoder_config.h
index 2c6bd45fc793f3c8940fdf3d16028db797e1a0bc..153ad38fef1cb22c7604b31a080f73e937d6fac5 100644
--- a/media/base/video_decoder_config.h
+++ b/media/base/video_decoder_config.h
@@ -8,6 +8,7 @@
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "media/base/media_export.h"
+#include "media/base/video_frame.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/size.h"
 
@@ -30,7 +31,9 @@ enum VideoCodec {
 
 class MEDIA_EXPORT VideoDecoderConfig {
  public:
-  VideoDecoderConfig(VideoCodec codec, const gfx::Size& coded_size,
+  VideoDecoderConfig(VideoCodec codec,
+                     VideoFrame::Format video_format,
+                     const gfx::Size& coded_size,
                      const gfx::Rect& visible_rect,
                      const gfx::Size& natural_size,
                      int frame_rate_numerator, int frame_rate_denominator,
@@ -38,6 +41,7 @@ class MEDIA_EXPORT VideoDecoderConfig {
   ~VideoDecoderConfig();
 
   VideoCodec codec() const;
+  VideoFrame::Format video_format() const;
   gfx::Size coded_size() const;
   gfx::Rect visible_rect() const;
   gfx::Size natural_size() const;
@@ -49,6 +53,9 @@ class MEDIA_EXPORT VideoDecoderConfig {
  private:
   VideoCodec codec_;
 
+  // Video format, used to determine U & V buffer sizes.
+  VideoFrame::Format video_format_;
+
   // Width and height of video frame immediately post-decode. Not all pixels
   // in this region are valid.
   gfx::Size coded_size_;