cc: Low quality support for low res tiles

cc/resources/managed_tile_state.h

Index: cc/resources/managed_tile_state.h
diff --git a/cc/resources/managed_tile_state.h b/cc/resources/managed_tile_state.h
index 2305b263dba00a72527571482631f777cfe7d7db..c946b4de935824b792a10ca7c69d101c04a4f1bf 100644
--- a/cc/resources/managed_tile_state.h
+++ b/cc/resources/managed_tile_state.h
@@ -14,6 +14,11 @@
 
 namespace cc {
 
+enum TileRasterFlags {
+  USE_LCD_TEXT = 1 << 0,
+  USE_HIGH_QUALITY = 1 << 1
+};
+
 // This is state that is specific to a tile that is
 // managed by the TileManager.
 class CC_EXPORT ManagedTileState {
@@ -105,6 +110,7 @@ class CC_EXPORT ManagedTileState {
       scoped_ptr<ResourcePool::Resource> resource_;
       GLenum resource_format_;
       bool forced_upload_;
+      unsigned raster_flags_;
   };