Add chromeos namespace to the language options page and its friends.

chrome/browser/dom_ui/options_ui.cc

Index: chrome/browser/dom_ui/options_ui.cc
diff --git a/chrome/browser/dom_ui/options_ui.cc b/chrome/browser/dom_ui/options_ui.cc
index 1c41088907492568c8e2744b3204491dfeb359ae..69682199554e064255c1ab4cb883ab61a087fca5 100644
--- a/chrome/browser/dom_ui/options_ui.cc
+++ b/chrome/browser/dom_ui/options_ui.cc
@@ -148,16 +148,17 @@ OptionsUI::OptionsUI(TabContents* contents) : DOMUI(contents) {
   AddOptionsPageUIHandler(localized_strings, new InternetOptionsHandler());
   AddOptionsPageUIHandler(localized_strings, new LabsHandler());
   AddOptionsPageUIHandler(localized_strings,
-                          new LanguageChewingOptionsHandler());
+                          new chromeos::LanguageChewingOptionsHandler());
   AddOptionsPageUIHandler(localized_strings,
-                          new LanguageHangulOptionsHandler());
+                          new chromeos::LanguageHangulOptionsHandler());
   AddOptionsPageUIHandler(localized_strings,
-                          new LanguageMozcOptionsHandler());
-  AddOptionsPageUIHandler(localized_strings, new LanguageOptionsHandler());
+                          new chromeos::LanguageMozcOptionsHandler());
+  AddOptionsPageUIHandler(localized_strings,
+                          new chromeos::LanguageOptionsHandler());
+  AddOptionsPageUIHandler(localized_strings,
+                          new chromeos::LanguagePinyinOptionsHandler());
   AddOptionsPageUIHandler(localized_strings, new ProxyHandler());
   AddOptionsPageUIHandler(localized_strings, new SystemOptionsHandler());
-  AddOptionsPageUIHandler(localized_strings,
-                          new LanguagePinyinOptionsHandler());
   AddOptionsPageUIHandler(localized_strings, new SystemOptionsHandler());
 #endif