chromeos: Promotes more from WmShell to Shell

ash/accelerators/accelerator_controller_delegate_aura.cc

 // Copyright 2016 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/accelerators/accelerator_controller_delegate_aura.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <utility>
@@ skipping 55 matching lines @@
 class DeprecatedAcceleratorNotificationDelegate
     : public message_center::NotificationDelegate {
  public:
   DeprecatedAcceleratorNotificationDelegate() {}
 
   // message_center::NotificationDelegate:
   bool HasClickedListener() override { return true; }
 
   void Click() override {
     if (!WmShell::Get()->GetSessionStateDelegate()->IsUserSessionBlocked())
-      WmShell::Get()->delegate()->OpenKeyboardShortcutHelpPage();
+      Shell::Get()->shell_delegate()->OpenKeyboardShortcutHelpPage();
   }
 
  private:
   // Private destructor since NotificationDelegate is ref-counted.
   ~DeprecatedAcceleratorNotificationDelegate() override {}
 
   DISALLOW_COPY_AND_ASSIGN(DeprecatedAcceleratorNotificationDelegate);
 };
 
 // Ensures that there are no word breaks at the "+"s in the shortcut texts such
@@ skipping 381 matching lines @@
     const char* const notification_id,
     int message_id,
     int old_shortcut_id,
     int new_shortcut_id) {
   const base::string16 message =
       GetNotificationText(message_id, old_shortcut_id, new_shortcut_id);
   std::unique_ptr<message_center::Notification> notification(
       new message_center::Notification(
           message_center::NOTIFICATION_TYPE_SIMPLE, notification_id,
           base::string16(), message,
-          WmShell::Get()->delegate()->GetDeprecatedAcceleratorImage(),
+          Shell::Get()->shell_delegate()->GetDeprecatedAcceleratorImage(),
           base::string16(), GURL(),
           message_center::NotifierId(
               message_center::NotifierId::SYSTEM_COMPONENT,
               system_notifier::kNotifierDeprecatedAccelerator),
           message_center::RichNotificationData(),
           new DeprecatedAcceleratorNotificationDelegate));
   message_center::MessageCenter::Get()->AddNotification(
       std::move(notification));
 }
 
 }  // namespace ash