"up-to-date" should only use hyphens when used as compound modifier of a noun

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 <stddef.h>
 
 #include <map>
 #include <set>
@@ skipping 1252 matching lines @@
   root_clip.data.clip = gfx::RectF(viewport);
   root_clip.data.transform_id = kRootPropertyTreeNodeId;
   data_for_recursion.clip_tree_parent =
       data_for_recursion.property_trees->clip_tree.Insert(
           root_clip, kRootPropertyTreeNodeId);
 
   DataForRecursionFromChild<LayerType> data_from_child;
   BuildPropertyTreesInternal(root_layer, data_for_recursion, &data_from_child);
   property_trees->needs_rebuild = false;
 
-  // The transform tree is kept up-to-date as it is built, but the
+  // The transform tree is kept up to date as it is built, but the
   // combined_clips stored in the clip tree and the screen_space_opacity and
   // is_drawn in the effect tree aren't computed during tree building.
   property_trees->transform_tree.set_needs_update(false);
   property_trees->clip_tree.set_needs_update(true);
   property_trees->effect_tree.set_needs_update(true);
   property_trees->scroll_tree.set_needs_update(false);
 }
 
 #if DCHECK_IS_ON()
 static void CheckScrollAndClipPointersForLayer(Layer* layer) {
@@ skipping 62 matching lines @@
   if (SkColorGetA(color) != 255)
     color = SkColorSetA(color, 255);
   BuildPropertyTreesTopLevelInternal(
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, overscroll_elasticity_layer,
       elastic_overscroll, page_scale_factor, device_scale_factor, viewport,
       device_transform, property_trees, color);
 }
 
 }  // namespace cc