cc: Clean up transform tree

cc/trees/draw_property_utils.h

Index: cc/trees/draw_property_utils.h
diff --git a/cc/trees/draw_property_utils.h b/cc/trees/draw_property_utils.h
index 55cbba7ad6a5029205f7ed696857597b6178888f..a0c7806b7a6957cd014643db8ff15317f8f3cc54 100644
--- a/cc/trees/draw_property_utils.h
+++ b/cc/trees/draw_property_utils.h
@@ -65,8 +65,7 @@ void CC_EXPORT UpdatePropertyTrees(PropertyTrees* property_trees,
                                    bool can_render_to_separate_surface);
 
 void CC_EXPORT FindLayersThatNeedUpdates(LayerTree* layer_tree,
-                                         const TransformTree& transform_tree,
-                                         const EffectTree& effect_tree,
+                                         const PropertyTrees* property_trees,
                                          LayerList* update_layer_list);
 
 void CC_EXPORT ComputeVisibleRects(LayerImpl* root_layer,
@@ -97,18 +96,15 @@ bool CC_EXPORT LayerShouldBeSkipped(LayerImpl* layer,
 
 bool CC_EXPORT LayerNeedsUpdate(Layer* layer,
                                 bool layer_is_drawn,
-                                const TransformTree& tree);
+                                const PropertyTrees* property_trees);
 
 bool CC_EXPORT LayerNeedsUpdate(LayerImpl* layer,
                                 bool layer_is_drawn,
-                                const TransformTree& tree);
+                                const PropertyTrees* property_trees);
 
 void CC_EXPORT VerifyClipTreeCalculations(const LayerImplList& layer_list,
                                           PropertyTrees* property_trees);
 
-void CC_EXPORT VerifyTransformTreeCalculations(const LayerImplList& layer_list,
-                                               PropertyTrees* property_trees);
-
 gfx::Transform CC_EXPORT DrawTransform(const LayerImpl* layer,
                                        const TransformTree& transform_tree,
                                        const EffectTree& effect_tree);