AppCaches which belong to hosted apps are not protected from deletion

chrome/browser/browsing_data_remover.h

Index: chrome/browser/browsing_data_remover.h
diff --git a/chrome/browser/browsing_data_remover.h b/chrome/browser/browsing_data_remover.h
index d74858cfe9e0c8fb89294ec2ec9fd5ff0b0bab4b..3a1fffaa3261a844e6d913f7ca444b7cf92a99b3 100644
--- a/chrome/browser/browsing_data_remover.h
+++ b/chrome/browser/browsing_data_remover.h
@@ -159,7 +159,7 @@ class BrowsingDataRemover : public NotificationObserver,
 
   // Callback when the appcache has been cleared. Invokes
   // NotifyAndDeleteIfDone.
-  void OnClearedAppCache();
+  void OnClearedAppCache(int rv);
 
   // Invoked on the IO thread to delete from the AppCache.
   void ClearAppCacheOnIOThread();
@@ -212,10 +212,7 @@ class BrowsingDataRemover : public NotificationObserver,
 
   // Used to clear the appcache.
   scoped_refptr<ChromeAppCacheService> appcache_service_;
-  net::CompletionCallbackImpl<BrowsingDataRemover> appcache_got_info_callback_;
-  net::CompletionCallbackImpl<BrowsingDataRemover> appcache_deleted_callback_;
-  scoped_refptr<appcache::AppCacheInfoCollection> appcache_info_;
-  int appcaches_to_be_deleted_count_;
+  net::CompletionCallbackImpl<BrowsingDataRemover> appcache_cleared_callback_;
 
   // Used to delete data from the HTTP caches.
   CacheState next_cache_state_;