Reland: Change the video color space default.

media/base/test_helpers.cc

Index: media/base/test_helpers.cc
diff --git a/media/base/test_helpers.cc b/media/base/test_helpers.cc
index 794e9717043b04db7ca8ca015a664c103fafdc3b..c66193a6032e2e2a22c5f7099ce0f0049688cd93 100644
--- a/media/base/test_helpers.cc
+++ b/media/base/test_helpers.cc
@@ -126,8 +126,9 @@ static VideoDecoderConfig GetTestConfig(VideoCodec codec,
   gfx::Size natural_size = coded_size;
 
   return VideoDecoderConfig(codec, VIDEO_CODEC_PROFILE_UNKNOWN,
-                            PIXEL_FORMAT_YV12, coded_size, visible_rect,
-                            natural_size, NULL, 0, is_encrypted);
+                            PIXEL_FORMAT_YV12, COLOR_SPACE_UNSPECIFIED,
+                            coded_size, visible_rect, natural_size, NULL, 0,
+                            is_encrypted);
 }
 
 static const gfx::Size kNormalSize(320, 240);