Re-enable storage for Suborigins.

content/browser/dom_storage/dom_storage_context_impl.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 CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_IMPL_H_
 #define CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_IMPL_H_
 
 #include <stdint.h>
 
 #include <deque>
@@ skipping 205 matching lines @@
   void ClearSessionOnlyOrigins();
 
   // For scavenging unused sessionStorages.
   void FindUnusedNamespaces();
   void FindUnusedNamespacesInCommitSequence(
       const std::set<std::string>& namespace_ids_in_use,
       const std::set<std::string>& protected_persistent_session_ids);
   void DeleteNextUnusedNamespace();
   void DeleteNextUnusedNamespaceInCommitSequence();
 
+  void DeleteAndClearStorageNamespaceForOrigin(const GURL& origin,
+                                               DOMStorageNamespace* local);
+
   // Collection of namespaces keyed by id.
   StorageNamespaceMap namespaces_;
 
   // Where localstorage data is stored, maybe empty for the incognito use case.
   base::FilePath localstorage_directory_;
 
   // Where sessionstorage data is stored, maybe empty for the incognito use
   // case. Always empty until the file-backed session storage feature is
   // implemented.
   base::FilePath sessionstorage_directory_;
@@ skipping 32 matching lines @@
   // sessionStorage.
   std::map<std::string, int64_t> persistent_namespace_id_to_namespace_id_;
 
   // For cleaning up unused databases more aggressively.
   bool is_low_end_device_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOM_STORAGE_DOM_STORAGE_CONTEXT_IMPL_H_