Raster: Allow a RasterSource to specify its color space

cc/playback/raster_source.cc

Index: cc/playback/raster_source.cc
diff --git a/cc/playback/raster_source.cc b/cc/playback/raster_source.cc
index 6a051e2d0d79ac5ab325727915c2fcd6555dc1cf..60f3ac7525873ea0b83ec8d70d16a933aab0f93e 100644
--- a/cc/playback/raster_source.cc
+++ b/cc/playback/raster_source.cc
@@ -254,6 +254,14 @@ gfx::Size RasterSource::GetSize() const {
   return size_;
 }
 
+bool RasterSource::HasImpliedColorSpace() const {
+  return display_list_->HasImpliedColorSpace();
+}
+
+const gfx::ColorSpace& RasterSource::GetImpliedColorSpace() const {
+  return display_list_->GetImpliedColorSpace();
+}
+
 bool RasterSource::IsSolidColor() const {
   return is_solid_color_;
 }