Add more missing closing namespace comments.

third_party/WebKit/Source/core/layout/LayoutObjectTest.cpp

 // Copyright 2015 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/layout/LayoutObject.h"
 
 #include "core/layout/LayoutTestHelper.h"
 #include "core/layout/LayoutView.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 104 matching lines @@
         "</div>");
     LayoutBlock* container = toLayoutBlock(document().getElementById("container")->layoutObject());
     LayoutText* text = toLayoutText(container->lastChild());
 
     container->setScrollTop(50);
     LayoutRect rect(0, 60, 20, 20);
     text->mapToVisibleRectInAncestorSpace(container, rect, nullptr);
     EXPECT_TRUE(rect == LayoutRect(0, 10, 20, 20));
 }
 
-}
-
+} // namespace blink