DOMStorageContextImpl that's implemented in terms of the new dom_storage classes.

content/browser/in_process_webkit/dom_storage_context_impl.h

Index: content/browser/in_process_webkit/dom_storage_context_impl.h
===================================================================
--- content/browser/in_process_webkit/dom_storage_context_impl.h	(revision 127292)
+++ content/browser/in_process_webkit/dom_storage_context_impl.h	(working copy)
@@ -105,14 +105,10 @@
   // The local storage file extension.
   static const FilePath::CharType kLocalStorageExtension[];
 
-  void set_clear_local_state_on_exit(bool clear_local_state) {
-    clear_local_state_on_exit_ = clear_local_state;
-  }
+  void SetClearLocalState(bool clear_local_state);
 
   // Disables the exit-time deletion for all data (also session-only data).
-  void SaveSessionState() {
-    save_session_state_ = true;
-  }
+  void SaveSessionState();
 
   void set_data_path_for_testing(const FilePath& data_path) {
     data_path_ = data_path;