Optimize the size of DataForRecursion a bit by reordering fields.

Bug: 734363
Change-Id: I014249729a4606fdc422cfa92a4deb0f70474ec7
Reviewed-on: https://chromium-review.googlesource.com/565456Reviewed-by: Walter Korman <wkorman@chromium.org>
Commit-Queue: Chris Harrelson <chrishtr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#485423}

cc/trees/property_tree_builder.cc

@@ -35,28 +35,28 @@ struct DataForRecursion {
   PropertyTrees* property_trees;
   LayerType* transform_tree_parent;
   LayerType* transform_fixed_parent;
-  int clip_tree_parent;
-  int effect_tree_parent;
-  int scroll_tree_parent;
-  int closest_ancestor_with_copy_request;
   const LayerType* page_scale_layer;
   const LayerType* inner_viewport_scroll_layer;
   const LayerType* outer_viewport_scroll_layer;
   const LayerType* overscroll_elasticity_layer;
-  gfx::Vector2dF elastic_overscroll;
+  const gfx::Transform* device_transform;
   float page_scale_factor;
+  int clip_tree_parent;
+  int effect_tree_parent;
+  int scroll_tree_parent;
+  int closest_ancestor_with_copy_request;
+  uint32_t main_thread_scrolling_reasons;
+  SkColor safe_opaque_background_color;
   bool in_subtree_of_page_scale_layer;
   bool affected_by_inner_viewport_bounds_delta;
   bool affected_by_outer_viewport_bounds_delta;
   bool should_flatten;
   bool is_hidden;
-  uint32_t main_thread_scrolling_reasons;
   bool scroll_tree_parent_created_by_uninheritable_criteria;
-  const gfx::Transform* device_transform;
-  gfx::Transform compound_transform_since_render_target;
   bool animation_axis_aligned_since_render_target;
   bool not_axis_aligned_since_last_clip;
-  SkColor safe_opaque_background_color;
+  gfx::Transform compound_transform_since_render_target;
+  gfx::Vector2dF elastic_overscroll;
 };
 
 static LayerPositionConstraint PositionConstraint(Layer* layer) {