Revert "Pull chromium at 2c3ffb2355a27c32f45e508ef861416b820c823b"

cc/resources/tile.cc

 // Copyright 2012 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/resources/tile.h"
 
 #include <algorithm>
 
 #include "base/trace_event/trace_event_argument.h"
 #include "cc/base/math_util.h"
@@ skipping 21 matching lines @@
       source_frame_number_(source_frame_number),
       flags_(flags),
       tiling_i_index_(-1),
       tiling_j_index_(-1),
       is_shared_(false),
       required_for_activation_(false),
       required_for_draw_(false),
       id_(s_next_id_++),
       scheduled_priority_(0) {
   set_raster_source(raster_source);
-  for (int i = 0; i <= LAST_TREE; i++)
+  for (int i = 0; i < NUM_TREES; i++)
     is_occluded_[i] = false;
 }
 
 Tile::~Tile() {
   TRACE_EVENT_OBJECT_DELETED_WITH_ID(
       TRACE_DISABLED_BY_DEFAULT("cc.debug"),
       "cc::Tile", this);
 }
 
 void Tile::AsValueInto(base::trace_event::TracedValue* res) const {
@@ skipping 30 matching lines @@
   res->SetInteger("gpu_memory_usage", GPUMemoryUsageInBytes());
 }
 
 size_t Tile::GPUMemoryUsageInBytes() const {
   if (draw_info_.resource_)
     return draw_info_.resource_->bytes();
   return 0;
 }
 
 }  // namespace cc