cc: Move background filters to the effect tree

cc/layers/layer_impl_unittest.cc

Index: cc/layers/layer_impl_unittest.cc
diff --git a/cc/layers/layer_impl_unittest.cc b/cc/layers/layer_impl_unittest.cc
index 81c96a883518f80b54553ff114e7ff210846694d..908c6897c6bdff296d4389179469294f194fa605 100644
--- a/cc/layers/layer_impl_unittest.cc
+++ b/cc/layers/layer_impl_unittest.cc
@@ -188,8 +188,6 @@ TEST(LayerImplTest, VerifyLayerChangesAreTrackedProperly) {
   EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(root->SetDrawsContent(true));
   EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
       root->SetBackgroundColor(arbitrary_color));
-  EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
-      root->SetBackgroundFilters(arbitrary_filters));
 
   // Special case: check that SetBounds changes behavior depending on
   // masksToBounds.
@@ -314,8 +312,6 @@ TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) {
   VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
       layer->SetBackgroundColor(arbitrary_color));
   VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
-      layer->SetBackgroundFilters(arbitrary_filters));
-  VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(
       layer->OnOpacityAnimated(arbitrary_number));
   VERIFY_NEEDS_UPDATE_DRAW_PROPERTIES(layer->SetBlendMode(arbitrary_blend_mode);
                                       layer->NoteLayerPropertyChanged());
@@ -335,8 +331,6 @@ TEST(LayerImplTest, VerifyNeedsUpdateDrawProperties) {
   VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
       layer->SetBackgroundColor(arbitrary_color));
   VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
-      layer->SetBackgroundFilters(arbitrary_filters));
-  VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
       layer->SetBlendMode(arbitrary_blend_mode));
   VERIFY_NO_NEEDS_UPDATE_DRAW_PROPERTIES(
       layer->SetTransform(arbitrary_transform));