cc: Remove unused variables from PropertyTreeBuilder's DataForRecursion

cc/trees/property_tree_builder.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 "cc/trees/property_tree_builder.h"
 
 #include <map>
 #include <set>
 
 #include "cc/base/math_util.h"
 #include "cc/layers/layer.h"
 #include "cc/trees/layer_tree_host.h"
 #include "ui/gfx/geometry/point_f.h"
 
 namespace cc {
 
 class LayerTreeHost;
 
 namespace {
 
 struct DataForRecursion {
   TransformTree* transform_tree;
   ClipTree* clip_tree;
   OpacityTree* opacity_tree;
   Layer* transform_tree_parent;
   Layer* transform_fixed_parent;
   Layer* render_target;
   int clip_tree_parent;
   int opacity_tree_parent;
-  gfx::Vector2dF offset_to_transform_tree_parent;
-  gfx::Vector2dF offset_to_transform_fixed_parent;
   const Layer* page_scale_layer;
   float page_scale_factor;
   float device_scale_factor;
   bool in_subtree_of_page_scale_application_layer;
   bool should_flatten;
   const gfx::Transform* device_transform;
 };
 
 static Layer* GetTransformParent(const DataForRecursion& data, Layer* layer) {
   return layer->position_constraint().is_fixed_position()
@@ skipping 285 matching lines @@
   data_for_recursion.device_transform = &device_transform;
 
   ClipNode root_clip;
   root_clip.data.clip = viewport;
   root_clip.data.transform_id = 0;
   data_for_recursion.clip_tree_parent = clip_tree->Insert(root_clip, 0);
   BuildPropertyTreesInternal(root_layer, data_for_recursion);
 }
 
 }  // namespace cc