cc::VideoResourceUpdater: NOTREACHED;return; replaced by DCHECK.

cc/resources/video_resource_updater.cc

Index: cc/resources/video_resource_updater.cc
diff --git a/cc/resources/video_resource_updater.cc b/cc/resources/video_resource_updater.cc
index 4c6b21619b2de28f55d5e6f1aeb935a028326d36..02986b4ca30f290c13807ad78a240e9a50943bb9 100644
--- a/cc/resources/video_resource_updater.cc
+++ b/cc/resources/video_resource_updater.cc
@@ -432,10 +432,7 @@ VideoFrameExternalResources VideoResourceUpdater::CreateForSoftwarePlanes(
   DCHECK_NE(bits_per_channel, 16);
 
   // Only YUV software video frames are supported.
-  if (!media::IsYuvPlanar(input_frame_format)) {
-    NOTREACHED() << media::VideoPixelFormatToString(input_frame_format);
-    return VideoFrameExternalResources();
-  }
+  DCHECK(media::IsYuvPlanar(input_frame_format));
 
   const bool software_compositor = context_provider_ == NULL;