Disable extension IMEs when the screen is locked

chrome/browser/chromeos/login/screen_locker.cc

 // Copyright (c) 2012 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/login/screen_locker.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 143 matching lines @@
         if (input_method_id == hardware_keyboard_id) {
           should_add_hardware_keyboard = false;
         }
       }
       if (should_add_hardware_keyboard) {
         value.string_list_value.push_back(hardware_keyboard_id);
       }
       // We don't want to shut down the IME, even if the hardware layout is the
       // only IME left.
       manager->SetEnableAutoImeShutdown(false);
+      manager->SetEnableExtensionIMEs(false);
       manager->SetInputMethodConfig(
           chromeos::language_prefs::kGeneralSectionName,
           chromeos::language_prefs::kPreloadEnginesConfigName,
           value);
     }
   }
 
   void RestoreInputMethods() {
     if (!saved_active_input_method_list_.empty()) {
       chromeos::input_method::InputMethodManager* manager =
           chromeos::input_method::InputMethodManager::GetInstance();
 
       chromeos::input_method::InputMethodConfigValue value;
       value.type =
           chromeos::input_method::InputMethodConfigValue::kValueTypeStringList;
       value.string_list_value = saved_active_input_method_list_;
       manager->SetEnableAutoImeShutdown(true);
+      manager->SetEnableExtensionIMEs(true);
       manager->SetInputMethodConfig(
           chromeos::language_prefs::kGeneralSectionName,
           chromeos::language_prefs::kPreloadEnginesConfigName,
           value);
       // Send previous input method id first so Ctrl+space would work fine.
       if (!saved_previous_input_method_id_.empty())
         manager->ChangeInputMethod(saved_previous_input_method_id_);
       if (!saved_current_input_method_id_.empty())
         manager->ChangeInputMethod(saved_current_input_method_id_);
 
@@ skipping 261 matching lines @@
   bool state = true;
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_SCREEN_LOCK_STATE_CHANGED,
       content::Source<ScreenLocker>(this),
       content::Details<bool>(&state));
   DBusThreadManager::Get()->GetPowerManagerClient()->
       NotifyScreenLockCompleted();
 }
 
 }  // namespace chromeos