Bindings: Require [CachedAttribute] method to be const

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

 /*
  *  Copyright (C) 2000 Harri Porten (porten@kde.org)
  *  Copyright (c) 2000 Daniel Molkentin (molkentin@kde.org)
  *  Copyright (c) 2000 Stefan Schimanski (schimmi@kde.org)
  *  Copyright (C) 2003, 2004, 2005, 2006 Apple Computer, Inc.
  *  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 Lesser General Public
  *  License as published by the Free Software Foundation; either
@@ skipping 57 matching lines @@
 
   Settings* settings = GetFrame()->GetSettings();
   if (!settings || !settings->GetCookieEnabled())
     return false;
 
   return CookiesEnabled(GetFrame()->GetDocument());
 }
 
 Vector<String> Navigator::languages() {
   Vector<String> languages;
+  languages_changed_ = false;
 
   if (!GetFrame() || !GetFrame()->GetPage()) {
     languages.push_back(DefaultLanguage());
     return languages;
   }
 
   String accept_languages =
       GetFrame()->GetPage()->GetChromeClient().AcceptLanguages();
   accept_languages.Split(',', languages);
 
   // Sanitizing tokens. We could do that more extensively but we should assume
   // that the accept languages are already sane and support BCP47. It is
   // likely a waste of time to make sure the tokens matches that spec here.
   for (size_t i = 0; i < languages.size(); ++i) {
     String& token = languages[i];
     token = token.StripWhiteSpace();
     if (token.length() >= 3 && token[2] == '_')
       token.replace(2, 1, "-");
   }
 
   return languages;
 }
 
 DEFINE_TRACE(Navigator) {
   DOMWindowClient::Trace(visitor);
   Supplementable<Navigator>::Trace(visitor);
 }
 
 }  // namespace blink