Remove redefinitions of ExceptionCode.

third_party/WebKit/Source/core/frame/Navigator.h

 /*
     Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
 
     This library is free software; you can redistribute it and/or
     modify it under the terms of the GNU Library General Public
     License as published by the Free Software Foundation; either
     version 2 of the License, or (at your option) any later version.
 
     This library is distributed in the hope that it will be useful,
     but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 17 matching lines @@
 #include "core/frame/NavigatorLanguage.h"
 #include "core/frame/NavigatorOnLine.h"
 #include "platform/Supplementable.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 class LocalFrame;
 
-typedef int ExceptionCode;
-
 class CORE_EXPORT Navigator final : public GarbageCollected<Navigator>,
                                     public NavigatorCPU,
                                     public NavigatorID,
                                     public NavigatorLanguage,
                                     public NavigatorOnLine,
                                     public ScriptWrappable,
                                     public DOMWindowProperty,
                                     public Supplementable<Navigator> {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(Navigator);
@@ skipping 14 matching lines @@
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   explicit Navigator(LocalFrame*);
 };
 
 }  // namespace blink
 
 #endif  // Navigator_h