Fix translate namespace

components/translate/core/browser/translate_accept_languages.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_TRANSLATE_TRANSLATE_ACCEPT_LANGUAGES_H_
 #define CHROME_BROWSER_TRANSLATE_TRANSLATE_ACCEPT_LANGUAGES_H_
 
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/prefs/pref_change_registrar.h"
 
 class PrefService;
 
+namespace translate {
+
 // TranslateAcceptLanguages tracks the value of the "Accept-Language" HTTP
 // header.
 class TranslateAcceptLanguages {
  public:
 
   // |accept_languages_pref| is the path to the preference storing the accept
   // languages.
   TranslateAcceptLanguages(PrefService* prefs,
                            const char* accept_languages_pref);
   virtual ~TranslateAcceptLanguages();
@@ skipping 17 matching lines @@
 
   // Listens to accept languages changes.
   PrefChangeRegistrar pref_change_registrar_;
 
   // Path of accept languages preference.
   const std::string accept_languages_pref_;
 
   DISALLOW_COPY_AND_ASSIGN(TranslateAcceptLanguages);
 };
 
+}  // namespace translate
+
 #endif  // CHROME_BROWSER_TRANSLATE_TRANSLATE_ACCEPT_LANGUAGES_H_