arc: Support pinned apps across Arc-enabled and Arc-disabled platforms.

chrome/browser/ui/ash/launcher/chrome_launcher_controller_mus.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_MUS_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_MUS_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 34 matching lines @@
                  int event_flags) override;
   void ActivateApp(const std::string& app_id,
                    ash::LaunchSource source,
                    int event_flags) override;
   extensions::LaunchType GetLaunchType(ash::ShelfID id) override;
   void SetLauncherItemImage(ash::ShelfID shelf_id,
                             const gfx::ImageSkia& image) override;
   bool IsWindowedAppInLauncher(const std::string& app_id) override;
   void SetLaunchType(ash::ShelfID id,
                      extensions::LaunchType launch_type) override;
-  void PersistPinnedState() override;
   Profile* GetProfile() override;
   void UpdateAppState(content::WebContents* contents,
                       AppState app_state) override;
   ash::ShelfID GetShelfIDForWebContents(
       content::WebContents* contents) override;
   void SetRefocusURLPatternForTest(ash::ShelfID id, const GURL& url) override;
   const extensions::Extension* GetExtensionForAppID(
       const std::string& app_id) const override;
   ash::ShelfItemDelegate::PerformedAction ActivateWindowOrMinimizeIfActive(
       ui::BaseWindow* window,
@@ skipping 28 matching lines @@
 
  private:
   ChromeLauncherControllerMus();
 
   std::unique_ptr<ChromeMashShelfController> shelf_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherControllerMus);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_MUS_H_