LocalSharedObjectsContainer: Separate object counting in an interface

chrome/browser/content_settings/local_shared_objects_container.h

 // Copyright (c) 2012 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_CONTENT_SETTINGS_LOCAL_SHARED_OBJECTS_CONTAINER_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_LOCAL_SHARED_OBJECTS_CONTAINER_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "chrome/browser/content_settings/local_shared_objects_counter.h"
 
 class CannedBrowsingDataAppCacheHelper;
 class CannedBrowsingDataChannelIDHelper;
 class CannedBrowsingDataCookieHelper;
 class CannedBrowsingDataDatabaseHelper;
 class CannedBrowsingDataFileSystemHelper;
 class CannedBrowsingDataIndexedDBHelper;
 class CannedBrowsingDataLocalStorageHelper;
 class CannedBrowsingDataServiceWorkerHelper;
 class CookiesTreeModel;
-class GURL;
 class Profile;
 
-class LocalSharedObjectsContainer {
+class LocalSharedObjectsContainer : public LocalSharedObjectsCounter {
  public:
   explicit LocalSharedObjectsContainer(Profile* profile);
-  ~LocalSharedObjectsContainer();
+  virtual ~LocalSharedObjectsContainer();
+
+  // LocalSharedObjectsCounter:
+  virtual size_t GetObjectCount() const OVERRIDE;
+  virtual size_t GetObjectCountForDomain(const GURL& url) const OVERRIDE;
 
   // Empties the container.
   void Reset();
 
-  // Returns the number of objects stored in the container.
-  size_t GetObjectCount() const;
-
-  // Returns the number of objects for the given |origin|.
-  size_t GetObjectCountForDomain(const GURL& url) const;
-
   // Creates a new CookiesTreeModel for all objects in the container,
   // copying each of them.
   scoped_ptr<CookiesTreeModel> CreateCookiesTreeModel() const;
 
   CannedBrowsingDataAppCacheHelper* appcaches() const {
     return appcaches_.get();
   }
   CannedBrowsingDataChannelIDHelper* channel_ids() const {
     return channel_ids_.get();
   }
@@ skipping 25 matching lines @@
   scoped_refptr<CannedBrowsingDataFileSystemHelper> file_systems_;
   scoped_refptr<CannedBrowsingDataIndexedDBHelper> indexed_dbs_;
   scoped_refptr<CannedBrowsingDataLocalStorageHelper> local_storages_;
   scoped_refptr<CannedBrowsingDataServiceWorkerHelper> service_workers_;
   scoped_refptr<CannedBrowsingDataLocalStorageHelper> session_storages_;
 
   DISALLOW_COPY_AND_ASSIGN(LocalSharedObjectsContainer);
 };
 
 #endif  // CHROME_BROWSER_CONTENT_SETTINGS_LOCAL_SHARED_OBJECTS_CONTAINER_H_