Use surface contents scale from effect tree (3)

cc/trees/property_tree.cc

 // 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.
 
 #include <stddef.h>
 
 #include <set>
 #include <vector>
 
 #include "base/logging.h"
@@ skipping 154 matching lines @@
 
   const TransformNode* dest_node = Node(dest_id);
   if (!dest_node->needs_surface_contents_scale)
     return success;
 
   transform->matrix().postScale(dest_node->surface_contents_scale.x(),
                                 dest_node->surface_contents_scale.y(), 1.f);
   return success;
 }
 
-bool TransformTree::Are2DAxisAligned(int source_id, int dest_id) const {
-  gfx::Transform transform;
-  return ComputeTransform(source_id, dest_id, &transform) &&
-         transform.Preserves2dAxisAlignment();
-}
-
 bool TransformTree::NeedsSourceToParentUpdate(TransformNode* node) {
   return (source_to_parent_updates_allowed() &&
           node->parent_id != node->source_node_id);
 }
 
 void TransformTree::ResetChangeTracking() {
   for (int id = 1; id < static_cast<int>(size()); ++id) {
     TransformNode* node = Node(id);
     node->transform_changed = false;
   }
@@ skipping 1690 matching lines @@
   cached_data_.property_tree_update_number = 0;
   cached_data_.animation_scales = std::vector<AnimationScaleData>(
       transform_tree.nodes().size(), AnimationScaleData());
 }
 
 void PropertyTrees::UpdateCachedNumber() {
   cached_data_.property_tree_update_number++;
 }
 
 }  // namespace cc