Add pref entry for virtual keyboard

chrome/browser/chromeos/input_method/input_method_manager.cc

 // Copyright (c) 2011 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/input_method/input_method_manager.h"
 
 #include <algorithm>
 
 #include <glib.h>
 
@@ skipping 279 matching lines @@
   }
 
   virtual void RegisterVirtualKeyboard(const GURL& launch_url,
                                        const std::set<std::string>& layouts,
                                        bool is_system) {
     virtual_keyboard_selector_.AddVirtualKeyboard(launch_url,
                                                   layouts,
                                                   is_system);
   }
 
+  virtual bool SetVirtualKeyboardPreference(const std::string& input_method_id,
+                                            const GURL& extention_url) {
+    return virtual_keyboard_selector_.SetUserPreference(
+        input_method_id, extention_url);
+  }
+
+  virtual void ClearVirtualKeyboardPreference() {
+    return virtual_keyboard_selector_.ClearUserPreference();
+  }
+
   static InputMethodManagerImpl* GetInstance() {
     return Singleton<InputMethodManagerImpl,
         DefaultSingletonTraits<InputMethodManagerImpl> >::get();
   }
 
  private:
   friend struct DefaultSingletonTraits<InputMethodManagerImpl>;
 
   // Returns true if the given input method config value is a single
   // element string list that contains an input method ID of a keyboard
@@ skipping 636 matching lines @@
   return InputMethodManagerImpl::GetInstance();
 }
 
 }  // namespace input_method
 }  // namespace chromeos
 
 // Allows InvokeLater without adding refcounting. This class is a Singleton and
 // won't be deleted until it's last InvokeLater is run.
 DISABLE_RUNNABLE_METHOD_REFCOUNT(
     chromeos::input_method::InputMethodManagerImpl);