Convert TrayAccessibility to wm common types

ash/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/system/ime/tray_ime_chromeos.h"
 
 #include "ash/common/accessibility_delegate.h"
-#include "ash/shell.h"
+#include "ash/common/system/tray/wm_system_tray_notifier.h"
+#include "ash/common/wm_shell.h"
 #include "ash/system/status_area_widget.h"
-#include "ash/system/tray/system_tray_notifier.h"
+#include "ash/system/tray/tray_details_view.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/test/status_area_widget_test_helper.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 38 matching lines @@
 void TrayIMETest::SetUpForStatusAreaWidget(
     StatusAreaWidget* status_area_widget) {
   tray_.reset(new TrayIME(status_area_widget->system_tray()));
   default_view_.reset(tray_->CreateDefaultView(
       StatusAreaWidgetTestHelper::GetUserLoginStatus()));
   detailed_view_.reset(tray_->CreateDetailedView(
       StatusAreaWidgetTestHelper::GetUserLoginStatus()));
 }
 
 void TrayIMETest::SetAccessibilityKeyboardEnabled(bool enabled) {
-  Shell::GetInstance()->accessibility_delegate()->SetVirtualKeyboardEnabled(
+  WmShell::Get()->GetAccessibilityDelegate()->SetVirtualKeyboardEnabled(
       enabled);
   keyboard::SetAccessibilityKeyboardEnabled(enabled);
   ui::AccessibilityNotificationVisibility notification =
       enabled ? ui::AccessibilityNotificationVisibility::A11Y_NOTIFICATION_SHOW
               : ui::AccessibilityNotificationVisibility::A11Y_NOTIFICATION_NONE;
-  Shell::GetInstance()->system_tray_notifier()->NotifyAccessibilityModeChanged(
+  WmShell::Get()->system_tray_notifier()->NotifyAccessibilityModeChanged(
       notification);
 }
 
 void TrayIMETest::TearDownViews() {
   tray_.reset();
   default_view_.reset();
   detailed_view_.reset();
 }
 
 void TrayIMETest::SetIMELength(int length) {
@@ skipping 66 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