cc: Fix style for comments at the end of namespaces

cc/scrollbar_geometry_stub.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/scrollbar_geometry_stub.h"
 
 using WebKit::WebRect;
 using WebKit::WebScrollbar;
@@ skipping 88 matching lines @@
 WebRect ScrollbarGeometryStub::constrainTrackRectToTrackPieces(WebScrollbar* scrollbar, const WebRect& rect)
 {
     return m_geometry->constrainTrackRectToTrackPieces(scrollbar, rect);
 }
 
 void ScrollbarGeometryStub::splitTrack(WebScrollbar* scrollbar, const WebRect& unconstrainedTrackRect, WebRect& beforeThumbRect, WebRect& thumbRect, WebRect& afterThumbRect)
 {
     m_geometry->splitTrack(scrollbar, unconstrainedTrackRect, beforeThumbRect, thumbRect, afterThumbRect);
 }
 
-}
+}  // namespace cc