mash: Migrate remaining tray observers and notify functions.

ash/common/system/ime/tray_ime_chromeos_unittest.cc

 // Copyright 2014 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/common/system/ime/tray_ime_chromeos.h"
 
 #include "ash/common/accessibility_delegate.h"
 #include "ash/common/accessibility_types.h"
+#include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/system/tray/tray_details_view.h"
-#include "ash/common/system/tray/wm_system_tray_notifier.h"
 #include "ash/common/wm_shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/virtual_keyboard_test_helper.h"
 #include "base/command_line.h"
 #include "ui/keyboard/keyboard_util.h"
 
 namespace ash {
 
 class TrayIMETest : public test::AshTestBase {
  public:
@@ skipping 111 matching lines @@
   toggle = GetScrollChildView(0);
   // Clicking again should disable the keyboard.
   tap = ui::GestureEvent(0, 0, 0, base::TimeTicks(),
                          ui::GestureEventDetails(ui::ET_GESTURE_TAP));
   toggle->OnGestureEvent(&tap);
   EXPECT_FALSE(keyboard::IsKeyboardEnabled());
   EXPECT_TRUE(default_view()->visible());
 }
 
 }  // namespace ash