Convert SetVisuallyDeemphasized IPC to mojo

chrome/browser/ui/apps/chrome_app_delegate.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_APPS_CHROME_APP_DELEGATE_H_
 #define CHROME_BROWSER_UI_APPS_CHROME_APP_DELEGATE_H_
 
 #include <memory>
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/app_window/app_delegate.h"
+#include "extensions/renderer/mojo/frame_observer.mojom.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/gfx/geometry/rect.h"
 
 class ScopedKeepAlive;
 
 class ChromeAppDelegate : public extensions::AppDelegate,
                           public content::NotificationObserver {
  public:
   // Params:
   //   keep_alive: Whether this object should keep the browser alive.
@@ skipping 49 matching lines @@
   void Observe(int type,
                const content::NotificationSource& source,
                const content::NotificationDetails& details) override;
 
   bool has_been_shown_;
   bool is_hidden_;
   std::unique_ptr<ScopedKeepAlive> keep_alive_;
   std::unique_ptr<NewWindowContentsDelegate> new_window_contents_delegate_;
   base::Closure terminating_callback_;
   content::NotificationRegistrar registrar_;
+  extensions::mojom::FrameObserverPtr extensions_frame_observer_;
   base::WeakPtrFactory<ChromeAppDelegate> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeAppDelegate);
 };
 
 #endif  // CHROME_BROWSER_UI_APPS_CHROME_APP_DELEGATE_H_