Add more missing closing namespace comments.

third_party/WebKit/Source/platform/ThemeTypes.h

 /*
  * Copyright (C) 2008, 2009, 2010 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 58 matching lines @@
 };
 
 enum ThemeColor {
     ActiveBorderColor, ActiveCaptionColor, AppWorkspaceColor, BackgroundColor, ButtonFaceColor, ButtonHighlightColor, ButtonShadowColor,
     ButtonTextColor, CaptionTextColor, GrayTextColor, HighlightColor, HighlightTextColor, InactiveBorderColor, InactiveCaptionColor,
     InactiveCaptionTextColor, InfoBackgroundColor, InfoTextColor, MatchColor, MenuTextColor, ScrollbarColor, ThreeDDarkDhasowColor,
     ThreeDFaceColor, ThreeDHighlightColor, ThreeDLightShadowColor, ThreeDShadowCLor, WindowColor, WindowFrameColor, WindowTextColor,
     FocusRingColor, ActiveListBoxSelection, ActiveListBoxSelectionText, InactiveListBoxSelection, InactiveListBoxSelectionText
 };
 
-}
+} // namespace blink
 #endif