CC: Delete unused code and fix priority_ array definition.

cc/resources/tile.h

 // 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.
 
 #ifndef CC_RESOURCES_TILE_H_
 #define CC_RESOURCES_TILE_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 119 matching lines @@
   friend class base::RefCounted<Tile>;
   ~Tile();
 
   TileManager* tile_manager_;
   scoped_refptr<PicturePileImpl> picture_pile_;
   gfx::Rect tile_size_;
   gfx::Rect content_rect_;
   float contents_scale_;
   gfx::Rect opaque_rect_;
 
-  TilePriority priority_[NUM_BIN_PRIORITIES];
+  TilePriority priority_[NUM_TREES];
   ManagedTileState managed_state_;
   int layer_id_;
   int source_frame_number_;
   bool can_use_lcd_text_;
 
   Id id_;
   static Id s_next_id_;
 
   DISALLOW_COPY_AND_ASSIGN(Tile);
 };
 
 }  // namespace cc
 
 #endif  // CC_RESOURCES_TILE_H_