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      1 // Copyright 2014 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_EXTENSIONS_CHROME_PROCESS_MANAGER_DELEGATE_H_
      6 #define CHROME_BROWSER_EXTENSIONS_CHROME_PROCESS_MANAGER_DELEGATE_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "base/macros.h"
     10 #include "content/public/browser/notification_observer.h"
     11 #include "content/public/browser/notification_registrar.h"
     12 #include "extensions/browser/process_manager_delegate.h"
     13 
     14 class Browser;
     15 class Profile;
     16 
     17 namespace extensions {
     18 
     19 // Support for ProcessManager. Controls cases where Chrome wishes to disallow
     20 // extension background pages or defer their creation.
     21 class ChromeProcessManagerDelegate : public ProcessManagerDelegate,
     22                                      public content::NotificationObserver {
     23  public:
     24   ChromeProcessManagerDelegate();
     25   virtual ~ChromeProcessManagerDelegate();
     26 
     27   // ProcessManagerDelegate implementation:
     28   virtual bool IsBackgroundPageAllowed(
     29       content::BrowserContext* context) const OVERRIDE;
     30   virtual bool DeferCreatingStartupBackgroundHosts(
     31       content::BrowserContext* context) const OVERRIDE;
     32 
     33   // content::NotificationObserver implementation:
     34   virtual void Observe(int type,
     35                        const content::NotificationSource& source,
     36                        const content::NotificationDetails& details) OVERRIDE;
     37 
     38  private:
     39   // Notification handlers.
     40   void OnBrowserWindowReady(Browser* browser);
     41   void OnProfileCreated(Profile* profile);
     42   void OnProfileDestroyed(Profile* profile);
     43 
     44   content::NotificationRegistrar registrar_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(ChromeProcessManagerDelegate);
     47 };
     48 
     49 }  // namespace extensions
     50 
     51 #endif  // CHROME_BROWSER_EXTENSIONS_CHROME_PROCESS_MANAGER_DELEGATE_H_
     52