cc: Reduce surface contents scale adjustments.

cc/trees/draw_property_utils.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CC_TREES_DRAW_PROPERTY_UTILS_H_
 #define CC_TREES_DRAW_PROPERTY_UTILS_H_
 
 #include "cc/cc_export.h"
 #include "cc/layers/layer_collections.h"
 
@@ skipping 27 matching lines @@
 void CC_EXPORT ComputeEffects(EffectTree* effect_tree);
 
 
 void CC_EXPORT UpdatePropertyTrees(LayerTreeHost* layer_tree_host,
                                    PropertyTrees* property_trees,
                                    bool can_render_to_separate_surface);
 
 void CC_EXPORT
 UpdatePropertyTreesAndRenderSurfaces(LayerImpl* root_layer,
                                      PropertyTrees* property_trees,
-                                     bool can_render_to_separate_surface);
+                                     bool can_render_to_separate_surface,
+                                     bool can_adjust_raster_scales);
 
 void CC_EXPORT FindLayersThatNeedUpdates(LayerTreeHost* layer_tree_host,
                                          const PropertyTrees* property_trees,
                                          LayerList* update_layer_list);
 
 void CC_EXPORT
 FindLayersThatNeedUpdates(LayerTreeImpl* layer_tree_impl,
                           const PropertyTrees* property_trees,
                           std::vector<LayerImpl*>* visible_layer_list);
 
@@ skipping 49 matching lines @@
 
 void CC_EXPORT
 UpdateElasticOverscroll(PropertyTrees* property_trees,
                         const Layer* overscroll_elasticity_layer,
                         const gfx::Vector2dF& elastic_overscroll);
 
 }  // namespace draw_property_utils
 }  // namespace cc
 
 #endif  // CC_TREES_DRAW_PROPERTY_UTILS_H_