cc: Add DEFINE_ENUM macro.

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 54 matching lines @@
     can_use_lcd_text_ = can_use_lcd_text;
   }
 
   bool can_use_lcd_text() const {
     return can_use_lcd_text_;
   }
 
   scoped_ptr<base::Value> AsValue() const;
 
   bool IsReadyToDraw() const {
-    for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
+    for (int mode = 0; mode < RasterMode_ARRAYSIZE; ++mode) {
       if (managed_state_.tile_versions[mode].IsReadyToDraw())
         return true;
     }
     return false;
   }
 
   const ManagedTileState::TileVersion& GetTileVersionForDrawing() const {
-    for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
+    for (int mode = 0; mode < RasterMode_ARRAYSIZE; ++mode) {
       if (managed_state_.tile_versions[mode].IsReadyToDraw())
         return managed_state_.tile_versions[mode];
     }
     return managed_state_.tile_versions[HIGH_QUALITY_RASTER_MODE];
   }
 
   gfx::Rect opaque_rect() const { return opaque_rect_; }
   bool has_text(RasterMode mode) const {
     return managed_state_.tile_versions[mode].has_text_;
   }
@@ skipping 36 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_[WhichTree_ARRAYSIZE];
   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_