cc: Add DEFINE_ENUM macro.

cc/resources/tile_manager.cc

Index: cc/resources/tile_manager.cc
diff --git a/cc/resources/tile_manager.cc b/cc/resources/tile_manager.cc
index 6b108d8248fd672099f3d6b1c6a2aa02eefca2a9..10a223014af43adfd1cdbc92a10a9e5606698570 100644
--- a/cc/resources/tile_manager.cc
+++ b/cc/resources/tile_manager.cc
@@ -25,7 +25,8 @@ namespace cc {
 namespace {
 
 // Memory limit policy works by mapping some bin states to the NEVER bin.
-const ManagedTileBin kBinPolicyMap[NUM_TILE_MEMORY_LIMIT_POLICIES][NUM_BINS] = {
+const ManagedTileBin kBinPolicyMap
+    [TileMemoryLimitPolicy_ARRAYSIZE][ManagedTileBin_ARRAYSIZE] = {
   {  // [ALLOW_NOTHING]
     NEVER_BIN,                  // [NOW_AND_READY_TO_DRAW_BIN]
     NEVER_BIN,                  // [NOW_BIN]
@@ -535,7 +536,7 @@ void TileManager::AssignGpuMemoryToTiles(
     size_t tile_resources = 0;
 
     // It costs to maintain a resource.
-    for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
+    for (int mode = 0; mode < RasterMode_ARRAYSIZE; ++mode) {
       if (mts.tile_versions[mode].resource_) {
         tile_bytes += tile->bytes_consumed_if_allocated();
         tile_resources++;
@@ -653,23 +654,22 @@ void TileManager::FreeResourceForTile(Tile* tile, RasterMode mode) {
 }
 
 void TileManager::FreeResourcesForTile(Tile* tile) {
-  for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
+  for (int mode = 0; mode < RasterMode_ARRAYSIZE; ++mode)
     FreeResourceForTile(tile, static_cast<RasterMode>(mode));
-  }
 }
 
 void TileManager::FreeUnusedResourcesForTile(Tile* tile) {
   DCHECK(tile->IsReadyToDraw());
   ManagedTileState& mts = tile->managed_state();
   RasterMode used_mode = HIGH_QUALITY_NO_LCD_RASTER_MODE;
-  for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
+  for (int mode = 0; mode < RasterMode_ARRAYSIZE; ++mode) {
     if (mts.tile_versions[mode].IsReadyToDraw()) {
       used_mode = static_cast<RasterMode>(mode);
       break;
     }
   }
 
-  for (int mode = 0; mode < NUM_RASTER_MODES; ++mode) {
+  for (int mode = 0; mode < RasterMode_ARRAYSIZE; ++mode) {
     if (mode != used_mode)
       FreeResourceForTile(tile, static_cast<RasterMode>(mode));
   }