cc: Use sublayer scale from effect tree (2)

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_sublayer_scale)
     return success;
 
   transform->matrix().postScale(dest_node->sublayer_scale.x(),
                                 dest_node->sublayer_scale.y(), 1.f);
   return success;
 }
 
-bool TransformTree::ComputeTransformWithSourceSublayerScale(
-    int source_id,
-    int dest_id,
-    gfx::Transform* transform) const {
-  bool success = ComputeTransform(source_id, dest_id, transform);
-
-  const TransformNode* source_node = Node(source_id);
-  if (!source_node->needs_sublayer_scale)
-    return success;
-
-  if (source_node->sublayer_scale.x() == 0 ||
-      source_node->sublayer_scale.y() == 0)
-    return false;
-
-  transform->Scale(1.f / source_node->sublayer_scale.x(),
-                   1.f / source_node->sublayer_scale.y());
-  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);
 }
@@ skipping 1680 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