Refactoring for merging ManagedTileState into Tile.

cc/test/fake_picture_layer_impl.cc

Index: cc/test/fake_picture_layer_impl.cc
diff --git a/cc/test/fake_picture_layer_impl.cc b/cc/test/fake_picture_layer_impl.cc
index 8153442464ef4f5428422a2c40fb0a882e9fffe2..ad41e0910cac3c94440a698ff80ca61adafc316f 100644
--- a/cc/test/fake_picture_layer_impl.cc
+++ b/cc/test/fake_picture_layer_impl.cc
@@ -169,8 +169,8 @@ void FakePictureLayerImpl::SetAllTilesReadyInTiling(
 }
 
 void FakePictureLayerImpl::SetTileReady(Tile* tile) {
-  ManagedTileState& state = tile->managed_state();
-  state.draw_info.SetSolidColorForTesting(true);
+  TileDrawInfo& draw_info = tile->draw_info();
+  draw_info.SetSolidColorForTesting(true);
   DCHECK(tile->IsReadyToDraw());
 }