Remove unused references to included header files

cc/layers/tiled_layer.cc

 // Copyright 2011 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/layers/tiled_layer.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/auto_reset.h"
 #include "base/basictypes.h"
 #include "build/build_config.h"
 #include "cc/base/simple_enclosed_region.h"
 #include "cc/layers/layer_impl.h"
 #include "cc/layers/tiled_layer_impl.h"
 #include "cc/resources/layer_updater.h"
 #include "cc/resources/prioritized_resource.h"
 #include "cc/resources/priority_calculator.h"
 #include "cc/trees/layer_tree_host.h"
 #include "cc/trees/occlusion_tracker.h"
-#include "third_party/khronos/GLES2/gl2.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 
 namespace cc {
 
 // Maximum predictive expansion of the visible area.
 static const int kMaxPredictiveTilesCount = 2;
 
 // Number of rows/columns of tiles to pre-paint.
 // We should increase these further as all textures are
 // prioritized and we insure performance doesn't suffer.
@@ skipping 829 matching lines @@
   gfx::Rect prepaint_rect = visible_content_rect();
   prepaint_rect.Inset(-tiler_->tile_size().width() * kPrepaintColumns,
                       -tiler_->tile_size().height() * kPrepaintRows);
   gfx::Rect content_rect(content_bounds());
   prepaint_rect.Intersect(content_rect);
 
   return prepaint_rect;
 }
 
 }  // namespace cc