[WIP] cc: Use sRGB for rastering non-wide-color-gamut content

cc/raster/raster_source.cc

Index: cc/raster/raster_source.cc
diff --git a/cc/raster/raster_source.cc b/cc/raster/raster_source.cc
index b1443e61770bb86447f10ee2f56c2b1614022127..3d428f82007fd29c2907a2d5ef3631bb174e7c04 100644
--- a/cc/raster/raster_source.cc
+++ b/cc/raster/raster_source.cc
@@ -283,6 +283,10 @@ gfx::Size RasterSource::GetSize() const {
   return size_;
 }
 
+bool RasterSource::HasNonSRGBContent() const {
+  return display_list_->HasNonSRGBContent();
+}
+
 bool RasterSource::IsSolidColor() const {
   return is_solid_color_;
 }