Revert of Change the video color space default.

media/filters/ffmpeg_video_decoder_unittest.cc

Index: media/filters/ffmpeg_video_decoder_unittest.cc
diff --git a/media/filters/ffmpeg_video_decoder_unittest.cc b/media/filters/ffmpeg_video_decoder_unittest.cc
index 271ce418b00723129ea9c0c0cdb7bc3ae0e87d93..8ecc83deca0bda3ad4879b1cfb45e4285be9e660 100644
--- a/media/filters/ffmpeg_video_decoder_unittest.cc
+++ b/media/filters/ffmpeg_video_decoder_unittest.cc
@@ -224,15 +224,15 @@
   // Ensure decoder handles unsupported pixel formats without crashing.
   VideoDecoderConfig config(kCodecVP8, VIDEO_CODEC_PROFILE_UNKNOWN,
                             VideoFrame::UNKNOWN,
-                            VideoFrame::COLOR_SPACE_UNSPECIFIED, kCodedSize,
-                            kVisibleRect, kNaturalSize, NULL, 0, false);
+                            kCodedSize, kVisibleRect, kNaturalSize,
+                            NULL, 0, false);
   InitializeWithConfigWithResult(config, false);
 }
 
 TEST_F(FFmpegVideoDecoderTest, Initialize_OpenDecoderFails) {
   // Specify Theora w/o extra data so that avcodec_open2() fails.
   VideoDecoderConfig config(kCodecTheora, VIDEO_CODEC_PROFILE_UNKNOWN,
-                            kVideoFormat, VideoFrame::COLOR_SPACE_UNSPECIFIED,
+                            kVideoFormat,
                             kCodedSize, kVisibleRect, kNaturalSize,
                             NULL, 0, false);
   InitializeWithConfigWithResult(config, false);
@@ -243,7 +243,6 @@
   VideoDecoderConfig config(kCodecVP8,
                             VP8PROFILE_ANY,
                             kVideoFormat,
-                            VideoFrame::COLOR_SPACE_UNSPECIFIED,
                             kCodedSize,
                             kVisibleRect,
                             natural_size,
@@ -258,7 +257,6 @@
   VideoDecoderConfig config(kCodecVP8,
                             VP8PROFILE_ANY,
                             kVideoFormat,
-                            VideoFrame::COLOR_SPACE_UNSPECIFIED,
                             kCodedSize,
                             kVisibleRect,
                             natural_size,
@@ -273,7 +271,6 @@
   VideoDecoderConfig config(kCodecVP8,
                             VP8PROFILE_ANY,
                             kVideoFormat,
-                            VideoFrame::COLOR_SPACE_UNSPECIFIED,
                             kCodedSize,
                             kVisibleRect,
                             natural_size,
@@ -288,7 +285,6 @@
   VideoDecoderConfig config(kCodecVP8,
                             VP8PROFILE_ANY,
                             kVideoFormat,
-                            VideoFrame::COLOR_SPACE_UNSPECIFIED,
                             kCodedSize,
                             kVisibleRect,
                             natural_size,
@@ -305,7 +301,6 @@
   VideoDecoderConfig config(kCodecVP8,
                             VP8PROFILE_ANY,
                             kVideoFormat,
-                            VideoFrame::COLOR_SPACE_UNSPECIFIED,
                             kCodedSize,
                             kVisibleRect,
                             natural_size,
@@ -321,7 +316,6 @@
   VideoDecoderConfig config(kCodecVP8,
                             VP8PROFILE_ANY,
                             kVideoFormat,
-                            VideoFrame::COLOR_SPACE_UNSPECIFIED,
                             kCodedSize,
                             kVisibleRect,
                             natural_size,