Merge 235370 "Destroy ExternalCacheDispatcher when last External..."

chrome/browser/chromeos/extensions/external_pref_cache_loader.h

 // Copyright (c) 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_CHROMEOS_EXTENSIONS_EXTERNAL_PREF_CACHE_LOADER_H_
 #define CHROME_BROWSER_CHROMEOS_EXTENSIONS_EXTERNAL_PREF_CACHE_LOADER_H_
 
+#include "base/memory/ref_counted.h"
 #include "chrome/browser/extensions/external_pref_loader.h"
 
 class Profile;
 
 namespace chromeos {
 
+class ExternalCacheDispatcher;
+
 // A specialization of the ExternalPrefLoader that caches crx files for external
 // extensions with update URL in a common place for all users on the machine.
 class ExternalPrefCacheLoader : public extensions::ExternalPrefLoader {
  public:
   // All instances of ExternalPrefCacheLoader use the same cache so
   // |base_path_id| must be the same for all profile in session.
   // It is checked in run-time with CHECK. |profile| is used to check if the
   // extension is installed to keep providing.
   ExternalPrefCacheLoader(int base_path_id, Profile* profile);
 
   void OnExtensionListsUpdated(const base::DictionaryValue* prefs);
 
  private:
   friend class base::RefCountedThreadSafe<ExternalLoader>;
 
   virtual ~ExternalPrefCacheLoader();
 
   virtual void StartLoading() OVERRIDE;
   virtual void LoadFinished() OVERRIDE;
 
   Profile* profile_;
+  scoped_refptr<ExternalCacheDispatcher> cache_dispatcher_;
 
   DISALLOW_COPY_AND_ASSIGN(ExternalPrefCacheLoader);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_EXTERNAL_PREF_CACHE_LOADER_H_