cc: Plumb device color space through to rasterization

ui/compositor/compositor.cc

Index: ui/compositor/compositor.cc
diff --git a/ui/compositor/compositor.cc b/ui/compositor/compositor.cc
index 2f071be20c20e05a2003a58ba4f0a8009e96da05..1b11f2271a7dce91df414453587593bb203dfbbf 100644
--- a/ui/compositor/compositor.cc
+++ b/ui/compositor/compositor.cc
@@ -340,6 +340,7 @@ void Compositor::SetScaleAndSize(float scale, const gfx::Size& size_in_pixel) {
 }
 
 void Compositor::SetDisplayColorSpace(const gfx::ColorSpace& color_space) {
+  host_->GetLayerTree()->SetDeviceColorSpace(color_space);
   color_space_ = color_space;
   // Color space is reset when the output surface is lost, so this must also be
   // updated then.