Add ImeMenuTray element.

ash/test/test_system_tray_delegate.cc

 // Copyright 2013 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 "ash/test/test_system_tray_delegate.h"
 
 #include <string>
 
 #include "ash/common/login_status.h"
 #include "ash/common/session/session_state_delegate.h"
@@ skipping 37 matching lines @@
 void TestSystemTrayDelegate::SetSessionLengthLimitForTest(
     const base::TimeDelta& new_limit) {
   session_length_limit_ = new_limit;
   session_length_limit_set_ = true;
 }
 
 void TestSystemTrayDelegate::ClearSessionLengthLimit() {
   session_length_limit_set_ = false;
 }
 
+void TestSystemTrayDelegate::SetCurrentIME(const IMEInfo& info) {
+  current_ime_ = info;
+}
+
 LoginStatus TestSystemTrayDelegate::GetUserLoginStatus() const {
   // Initial login status has been changed for testing.
   if (g_initial_status != LoginStatus::USER &&
       g_initial_status == login_status_) {
     return login_status_;
   }
 
   // At new user image screen manager->IsUserLoggedIn() would return true
   // but there's no browser session available yet so use SessionStarted().
   SessionStateDelegate* delegate = WmShell::Get()->GetSessionStateDelegate();
@@ skipping 33 matching lines @@
     base::TimeDelta* session_length_limit) {
   if (session_length_limit_set_)
     *session_length_limit = session_length_limit_;
   return session_length_limit_set_;
 }
 
 void TestSystemTrayDelegate::SignOut() {
   base::MessageLoop::current()->QuitWhenIdle();
 }
 
+void TestSystemTrayDelegate::GetCurrentIME(IMEInfo* info) {
+  info->id = current_ime_.id;

[James Cook, 2016/06/30 21:15:47]

Can you use *info = current_ime_? If not, can you add an assignment operator to
IMEInfo? I think it could just be "= default"

[Azure Wei, 2016/07/01 03:48:05]

Done.

+  info->name = current_ime_.name;
+  info->medium_name = current_ime_.medium_name;
+  info->short_name = current_ime_.short_name;
+  info->third_party = current_ime_.third_party;
+}
+
 }  // namespace test
 }  // namespace ash