Add language_prefs namespace to language_preferences.h.

chrome/browser/chromeos/status/language_menu_button.cc

 // Copyright (c) 2010 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.
 
 #include "chrome/browser/chromeos/status/language_menu_button.h"
 
 #include <string>
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
@@ skipping 423 matching lines @@
       previous_input_method_pref_.SetValue(previous_input_method.id);
       current_input_method_pref_.SetValue(current_input_method.id);
     }
   } else {
     // We're in the login screen (i.e. not in the normal browser mode nor screen
     // locker mode). If a user has already logged in, we should not update the
     // local state since a profile for the user might be loaded before the
     // buttun for the login screen is destroyed.
     if (!logged_in_ && g_browser_process && g_browser_process->local_state()) {
         g_browser_process->local_state()->SetString(
-            kPreferredKeyboardLayout, current_input_method.id);
+            language_prefs::kPreferredKeyboardLayout, current_input_method.id);
         g_browser_process->local_state()->SavePersistentPrefs();
     }
   }
 }
 
 void LanguageMenuButton::ActiveInputMethodsChanged(InputMethodLibrary* obj) {
   // Update the icon if active input methods are changed. See also
   // comments in UpdateIndicator()
   UpdateIndicatorFromInputMethod(obj->current_input_method());
 }
@@ skipping 192 matching lines @@
   std::wstring text = GetLanguageName(language_code);
   if (add_method_name) {
     text += L" - ";
     text += input_method::GetString(input_method.display_name);
   }
   DCHECK(!text.empty());
   return text;
 }
 
 void LanguageMenuButton::RegisterPrefs(PrefService* local_state) {
-  local_state->RegisterStringPref(kPreferredKeyboardLayout, "");
+  local_state->RegisterStringPref(language_prefs::kPreferredKeyboardLayout,
+                                  "");
 }
 
 void LanguageMenuButton::GetAmbiguousLanguageCodeSet(
     const InputMethodDescriptors& input_method_descriptors,
     std::set<std::string>* ambiguous_language_code_set) {
   DCHECK(ambiguous_language_code_set);
   ambiguous_language_code_set->clear();
 
   std::set<std::string> languages_seen;
   for (size_t i = 0; i < input_method_descriptors.size(); ++i) {
@@ skipping 16 matching lines @@
 
 void LanguageMenuButton::Observe(NotificationType type,
                                  const NotificationSource& source,
                                  const NotificationDetails& details) {
   if (type == NotificationType::LOGIN_USER_CHANGED) {
     logged_in_ = true;
   }
 }
 
 }  // namespace chromeos