cc: Clarify that color spaces are for raster

cc/trees/layer_tree_impl_unittest.cc

Index: cc/trees/layer_tree_impl_unittest.cc
diff --git a/cc/trees/layer_tree_impl_unittest.cc b/cc/trees/layer_tree_impl_unittest.cc
index 81d2800c9867fc8244d20c99741e9de1903af8b4..ed081140326e824d072f320ae7b6fe48e6ad8620 100644
--- a/cc/trees/layer_tree_impl_unittest.cc
+++ b/cc/trees/layer_tree_impl_unittest.cc
@@ -2242,13 +2242,13 @@ TEST_F(LayerTreeImplTest, DeviceScaleFactorNeedsDrawPropertiesUpdate) {
   EXPECT_TRUE(host_impl().active_tree()->needs_update_draw_properties());
 }
 
-TEST_F(LayerTreeImplTest, DeviceColorSpaceDoesNotNeedDrawPropertiesUpdate) {
+TEST_F(LayerTreeImplTest, RasterColorSpaceDoesNotNeedDrawPropertiesUpdate) {
   host_impl().active_tree()->BuildPropertyTreesForTesting();
-  host_impl().active_tree()->SetDeviceColorSpace(
+  host_impl().active_tree()->SetRasterColorSpace(
       gfx::ColorSpace::CreateXYZD50());
   host_impl().active_tree()->UpdateDrawProperties(false);
   EXPECT_FALSE(host_impl().active_tree()->needs_update_draw_properties());
-  host_impl().active_tree()->SetDeviceColorSpace(gfx::ColorSpace::CreateSRGB());
+  host_impl().active_tree()->SetRasterColorSpace(gfx::ColorSpace::CreateSRGB());
   EXPECT_FALSE(host_impl().active_tree()->needs_update_draw_properties());
 }