Clean up tile deletion

cc/test/fake_picture_layer_tiling_client.cc

Index: cc/test/fake_picture_layer_tiling_client.cc
diff --git a/cc/test/fake_picture_layer_tiling_client.cc b/cc/test/fake_picture_layer_tiling_client.cc
index 2b33ad55a2f8978e71523f5350fc8224d624c884..b42c3063598b904d37b24c7a28851278ddea4e23 100644
--- a/cc/test/fake_picture_layer_tiling_client.cc
+++ b/cc/test/fake_picture_layer_tiling_client.cc
@@ -38,7 +38,7 @@ FakePictureLayerTilingClient::FakePictureLayerTilingClient(
 FakePictureLayerTilingClient::~FakePictureLayerTilingClient() {
 }
 
-ScopedTilePtr FakePictureLayerTilingClient::CreateTile(
+std::unique_ptr<Tile> FakePictureLayerTilingClient::CreateTile(
     const Tile::CreateInfo& info) {
   return tile_manager_->CreateTile(info, 0, 0, 0);
 }