mash: Replace ShelfItemDelegate::CanPin with ShelfItem::pinned_by_policy.

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

 // Copyright 2013 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_IMPL_H_
 #define CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_IMPL_H_
 
 #include <list>
 #include <memory>
 
@@ skipping 55 matching lines @@
   const ash::ShelfItem* GetItem(ash::ShelfID id) const override;
   void SetItemType(ash::ShelfID id, ash::ShelfItemType type) override;
   void SetItemStatus(ash::ShelfID id, ash::ShelfItemStatus status) override;
   void SetItemController(ash::ShelfID id,
                          LauncherItemController* controller) override;
   void CloseLauncherItem(ash::ShelfID id) override;
   void Pin(ash::ShelfID id) override;
   void Unpin(ash::ShelfID id) override;
   bool IsPinned(ash::ShelfID id) override;
   void TogglePinned(ash::ShelfID id) override;
-  bool IsPinnable(ash::ShelfID id) const override;
   void LockV1AppWithID(const std::string& app_id) override;
   void UnlockV1AppWithID(const std::string& app_id) override;
   void Launch(ash::ShelfID id, int event_flags) override;
   void Close(ash::ShelfID id) override;
   bool IsOpen(ash::ShelfID id) override;
   bool IsPlatformApp(ash::ShelfID id) override;
   void ActivateApp(const std::string& app_id,
                    ash::LaunchSource source,
                    int event_flags) override;
   void SetLauncherItemImage(ash::ShelfID shelf_id,
@@ skipping 109 matching lines @@
 
   // Updates pin position for the item specified by |id| in sync model.
   void SyncPinPosition(ash::ShelfID id);
 
   // Re-syncs shelf model.
   void UpdateAppLaunchersFromPref();
 
   // Schedules re-sync of shelf model.
   void ScheduleUpdateAppLaunchersFromPref();
 
+  // Update the policy-pinned flag for each shelf item.
+  void UpdatePolicyPinnedAppsFromPrefs();
+
   // Sets whether the virtual keyboard is enabled from prefs.
   void SetVirtualKeyboardBehaviorFromPrefs();
 
   // Returns the shelf item status for the given |app_id|, which can be either
   // STATUS_ACTIVE (if the app is active), STATUS_RUNNING (if there is such an
   // app) or STATUS_CLOSED.
   ash::ShelfItemStatus GetAppState(const std::string& app_id);
 
   // Creates an app launcher to insert at |index|. Note that |index| may be
   // adjusted by the model to meet ordering constraints.
@@ skipping 89 matching lines @@
   typedef std::vector<std::string> RunningAppListIds;
   typedef std::map<std::string, RunningAppListIds> RunningAppListIdMap;
   RunningAppListIdMap last_used_running_application_order_;
 
   base::WeakPtrFactory<ChromeLauncherControllerImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeLauncherControllerImpl);
 };
 
 #endif  // CHROME_BROWSER_UI_ASH_LAUNCHER_CHROME_LAUNCHER_CONTROLLER_IMPL_H_