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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_TABS_PINNED_TAB_SERVICE_H_
      6 #define CHROME_BROWSER_UI_TABS_PINNED_TAB_SERVICE_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "components/keyed_service/core/keyed_service.h"
     10 #include "content/public/browser/notification_observer.h"
     11 #include "content/public/browser/notification_registrar.h"
     12 
     13 class Profile;
     14 
     15 // PinnedTabService is responsible for updating preferences with the set of
     16 // pinned tabs to restore at startup. PinnedTabService listens for the
     17 // appropriate set of notifications to know it should update preferences.
     18 class PinnedTabService : public content::NotificationObserver,
     19                          public KeyedService {
     20  public:
     21   explicit PinnedTabService(Profile* profile);
     22 
     23  private:
     24   // content::NotificationObserver.
     25   virtual void Observe(int type,
     26                        const content::NotificationSource& source,
     27                        const content::NotificationDetails& details) OVERRIDE;
     28 
     29   Profile* profile_;
     30 
     31   // True if we should save the pinned tabs when a browser window closes or the
     32   // user exits the application.
     33   bool save_pinned_tabs_;
     34 
     35   // True if there is at least one normal browser for our profile.
     36   bool has_normal_browser_;
     37 
     38   content::NotificationRegistrar registrar_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(PinnedTabService);
     41 };
     42 
     43 #endif  // CHROME_BROWSER_UI_TABS_PINNED_TAB_SERVICE_H_
     44