Fix translate namespace

components/translate/core/browser/options_menu_model.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 COMPONENTS_TRANSLATE_CORE_BROWSER_OPTIONS_MENU_MODEL_H_
 #define COMPONENTS_TRANSLATE_CORE_BROWSER_OPTIONS_MENU_MODEL_H_
 
 #include "ui/base/models/simple_menu_model.h"
 
+namespace translate {
+
 class TranslateInfoBarDelegate;
 
 // A menu model that builds the contents of the options menu in the translate
 // infobar. This menu has only one level (no submenus).
 class OptionsMenuModel : public ui::SimpleMenuModel,
                          public ui::SimpleMenuModel::Delegate {
  public:
   // Command IDs of the items in this menu; exposed for testing.
   enum CommandID {
     ABOUT_TRANSLATE = 0,
@@ skipping 13 matching lines @@
       int command_id,
       ui::Accelerator* accelerator) OVERRIDE;
   virtual void ExecuteCommand(int command_id, int event_flags) OVERRIDE;
 
  private:
   TranslateInfoBarDelegate* translate_infobar_delegate_;
 
   DISALLOW_COPY_AND_ASSIGN(OptionsMenuModel);
 };
 
+}  // namespace translate
+
 #endif  // COMPONENTS_TRANSLATE_CORE_BROWSER_OPTIONS_MENU_MODEL_H_