media: Inform VideoBlit/MFTransform of video color information

media/base/media_switches.cc

Index: media/base/media_switches.cc
diff --git a/media/base/media_switches.cc b/media/base/media_switches.cc
index 55572c764374f0a460b94251cf60412fbab447d5..a6ae0145cb127f5589364df724eea19a58caea4b 100644
--- a/media/base/media_switches.cc
+++ b/media/base/media_switches.cc
@@ -163,6 +163,10 @@ const base::Feature kUseNewMediaCache{"use-new-media-cache",
 const base::Feature kVideoColorManagement{"video-color-management",
                                           base::FEATURE_DISABLED_BY_DEFAULT};
 
+// Inform video blitter of video color space.
+const base::Feature kVideoBlitColorAccuracy{"video-blit-color-accuracy",
+                                            base::FEATURE_DISABLED_BY_DEFAULT};
+
 // Enables support for External Clear Key (ECK) key system for testing on
 // supported platforms. On platforms that do not support ECK, this feature has
 // no effect.