cc: Move background filters to the effect tree

cc/layers/layer_unittest.cc

Index: cc/layers/layer_unittest.cc
diff --git a/cc/layers/layer_unittest.cc b/cc/layers/layer_unittest.cc
index 4622cdd629b3d1edcc233aeb3094aaf1519bb7c2..6af0def7d0f1067cb891a7e415a94cb1eb93fe7b 100644
--- a/cc/layers/layer_unittest.cc
+++ b/cc/layers/layer_unittest.cc
@@ -80,6 +80,23 @@ using ::testing::_;
       grand_child->layer_tree_host()->LayerNeedsPushPropertiesForTesting(    \
           grand_child.get()));
 
+#define EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(code_to_test)                  \
+  code_to_test;                                                              \
+  root->layer_tree_host()->BuildPropertyTreesForTesting();                   \
+  EXPECT_TRUE(root->layer_property_changed());                               \
+  EXPECT_FALSE(root->subtree_property_changed());                            \
+  EXPECT_TRUE(root->layer_tree_host()->LayerNeedsPushPropertiesForTesting(   \
+      root.get()));                                                          \
+  EXPECT_FALSE(child->layer_property_changed());                             \
+  EXPECT_FALSE(child->subtree_property_changed());                           \
+  EXPECT_FALSE(child->layer_tree_host()->LayerNeedsPushPropertiesForTesting( \
+      child.get()));                                                         \
+  EXPECT_FALSE(grand_child->layer_property_changed());                       \
+  EXPECT_FALSE(grand_child->subtree_property_changed());                     \
+  EXPECT_FALSE(                                                              \
+      grand_child->layer_tree_host()->LayerNeedsPushPropertiesForTesting(    \
+          grand_child.get()));
+
 namespace cc {
 
 // This class is a friend of Layer, and is used as a wrapper for all the tests
@@ -1110,6 +1127,12 @@ TEST_F(LayerTest, LayerPropertyChangedForSubtree) {
       child2->PushPropertiesTo(child2_impl.get());
       grand_child->PushPropertiesTo(grand_child_impl.get()));
 
+  EXPECT_CALL(*layer_tree_host_, SetNeedsCommit()).Times(1);
+  EXECUTE_AND_VERIFY_ONLY_LAYER_CHANGED(
+      root->SetBackgroundFilters(arbitrary_filters));
+  EXECUTE_AND_VERIFY_SUBTREE_CHANGES_RESET(
+      root->PushPropertiesTo(root_impl.get()));
+
   gfx::PointF arbitrary_point_f = gfx::PointF(0.125f, 0.25f);
   EXPECT_CALL(*layer_tree_host_, SetNeedsCommit()).Times(1);
   root->SetPosition(arbitrary_point_f);