Revert of cc: Remove IOSurface explicit support in VideoLayerImpl.

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 00823dd50775cc358e94061dc326c5e7a5b6aeb2..2e475cbee7fc4ab691d3d42ff3b45a9ba544ba13 100644
--- a/cc/resources/video_resource_updater.cc
+++ b/cc/resources/video_resource_updater.cc
@@ -420,6 +420,9 @@
           external_resources.type =
               VideoFrameExternalResources::STREAM_TEXTURE_RESOURCE;
           break;
+        case GL_TEXTURE_RECTANGLE_ARB:
+          external_resources.type = VideoFrameExternalResources::IO_SURFACE;
+          break;
         default:
           NOTREACHED();
           return VideoFrameExternalResources();