cc: Fix style for comments at the end of namespaces

cc/tiled_layer_impl_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "cc/tiled_layer_impl.h"
 
 #include "cc/append_quads_data.h"
 #include "cc/layer_tiling_data.h"
@@ skipping 223 matching lines @@
     getQuads(quads, sharedStates, tileSize, layerSize, LayerTilingData::NoBorderTexels, gfx::Rect(gfx::Point(), layerSize));
 
     for (size_t i = 0; i < quads.size(); ++i) {
         ASSERT_EQ(quads[i]->material(), DrawQuad::TiledContent) << quadString << i;
         TileDrawQuad* quad = static_cast<TileDrawQuad*>(quads[i]);
 
         EXPECT_EQ(gfx::Rect(0, 0, 1, 1), quad->opaqueRect()) << quadString << i;
     }
 }
 
-} // namespace
+}  // anonymous namespace