Add confirmation dialog when enabling a 3rd party IME.

chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.h

Index: chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.h
diff --git a/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.h b/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.h
index 70f77b2d839b84610bb0d84b02fe1f38bf3ef034..33f86871df23e8145ab5339695ae2762119ea4c8 100644
--- a/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.h
+++ b/chrome/browser/ui/webui/options/chromeos/cros_language_options_handler.h
@@ -71,7 +71,7 @@ class CrosLanguageOptionsHandler
   // The return value will look like:
   // [{'id': '_ext_ime_nejguenhnsnjnwychcnsdsdjketest',
   //   'displayName': 'Sample IME'},  ...]
-  static base::ListValue* ConvertInputMethodDescriptosToIMEList(
+  static base::ListValue* ConvertInputMethodDescriptorsToIMEList(
       const input_method::InputMethodDescriptors& descriptors);
 
  private:
@@ -110,6 +110,10 @@ class CrosLanguageOptionsHandler
   // OptionsPageUIHandler implementation.
   virtual void InitializePage() OVERRIDE;
 
+  // Adds the name of the extension that provides the IME to each entry in the
+  // |list| of extension IMEs.
+  void AddImeProvider(base::ListValue* list);
+
   // True if the component extension list was appended into input method list.
   bool composition_extension_appended_;