Add ImeMenuTray element.

ash/test/test_system_tray_delegate.cc

Index: ash/test/test_system_tray_delegate.cc
diff --git a/ash/test/test_system_tray_delegate.cc b/ash/test/test_system_tray_delegate.cc
index 6074b3928af2b501f544cea6b82e1ea66bc70655..7e7901e79e754fd7fd564452b828dde9b8529762 100644
--- a/ash/test/test_system_tray_delegate.cc
+++ b/ash/test/test_system_tray_delegate.cc
@@ -55,6 +55,10 @@ 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 &&
@@ -108,5 +112,13 @@ 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