cc: Move background filters to the effect tree

cc/trees/draw_property_utils.cc

Index: cc/trees/draw_property_utils.cc
diff --git a/cc/trees/draw_property_utils.cc b/cc/trees/draw_property_utils.cc
index 0e4294638f654d26d5e8942cc5558ef197f9347c..d46151d683598cdf8f0e0e53c3f8ae36c3585c0e 100644
--- a/cc/trees/draw_property_utils.cc
+++ b/cc/trees/draw_property_utils.cc
@@ -40,7 +40,6 @@ static void ValidateRenderSurfaceForLayer(LayerImpl* layer) {
     return;
 
   DCHECK(layer->filters().IsEmpty()) << "layer: " << layer->id();
-  DCHECK(layer->background_filters().IsEmpty()) << "layer: " << layer->id();
   DCHECK(!IsRootLayer(layer)) << "layer: " << layer->id();
   EffectNode* effect_node =
       layer->layer_tree_impl()->property_trees()->effect_tree.Node(
@@ -49,6 +48,7 @@ static void ValidateRenderSurfaceForLayer(LayerImpl* layer) {
     return;
   DCHECK_EQ(effect_node->data.mask_layer_id, -1) << "layer: " << layer->id();
   DCHECK_EQ(effect_node->data.replica_layer_id, -1) << "layer: " << layer->id();
+  DCHECK(effect_node->data.background_filters.IsEmpty());
 }
 
 #endif