Fix support for yuv_422 pixel format.

media/base/video_decoder_config.cc

Index: media/base/video_decoder_config.cc
diff --git a/media/base/video_decoder_config.cc b/media/base/video_decoder_config.cc
index 52104cbd1c7bf0fee75b0a816c2bda9ffd95749d..b5ae98b6bd2a5f842c72798772b7472d8ea7ed42 100644
--- a/media/base/video_decoder_config.cc
+++ b/media/base/video_decoder_config.cc
@@ -9,6 +9,7 @@
 namespace media {
 
 VideoDecoderConfig::VideoDecoderConfig(VideoCodec codec,
+                                       PixelFormat pix_fmt,
                                        const gfx::Size& coded_size,
                                        const gfx::Rect& visible_rect,
                                        const gfx::Size& natural_size,
@@ -17,6 +18,7 @@ VideoDecoderConfig::VideoDecoderConfig(VideoCodec codec,
                                        const uint8* extra_data,
                                        size_t extra_data_size)
     : codec_(codec),
+      pix_fmt_(pix_fmt),
       coded_size_(coded_size),
       visible_rect_(visible_rect),
       natural_size_(natural_size),
@@ -36,6 +38,10 @@ VideoCodec VideoDecoderConfig::codec() const {
   return codec_;
 }
 
+PixelFormat VideoDecoderConfig::pix_fmt() const {
+  return pix_fmt_;
+}
+
 gfx::Size VideoDecoderConfig::coded_size() const {
   return coded_size_;
 }