Add more missing closing namespace comments.

third_party/WebKit/Source/core/paint/LayerClipRecorderTest.cpp

 // Copyright 2014 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 "core/paint/LayerClipRecorder.h"
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutView.h"
 #include "core/layout/compositing/PaintLayerCompositor.h"
 #include "core/paint/LayoutObjectDrawingRecorder.h"
@@ skipping 65 matching lines @@
 {
     rootPaintController().invalidateAll();
     GraphicsContext context(rootPaintController());
     EXPECT_EQ((size_t)0, rootPaintController().displayItemList().size());
 
     drawEmptyClip(context, layoutView(), PaintPhaseForeground);
     rootPaintController().commitNewDisplayItems();
     EXPECT_EQ((size_t)0, rootPaintController().displayItemList().size());
 }
 
-}
-}
+} // namespace
+} // namespace blink