cc: Add DEFINE_ENUM macro.

cc/resources/tile.h

Index: cc/resources/tile.h
diff --git a/cc/resources/tile.h b/cc/resources/tile.h
index 30916fa5f034032d2e2fc1144de2530e8655ed37..28a9f1e721cd4925be2a6610f388faa6a19f84df 100644
--- a/cc/resources/tile.h
+++ b/cc/resources/tile.h
@@ -72,7 +72,7 @@ class CC_EXPORT Tile : public base::RefCounted<Tile> {
   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;
     }
@@ -80,7 +80,7 @@ class CC_EXPORT Tile : public base::RefCounted<Tile> {
   }
 
   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];
     }
@@ -137,7 +137,7 @@ class CC_EXPORT Tile : public base::RefCounted<Tile> {
   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_;