Unwire the clear on exit preference from the storage systems.

webkit/dom_storage/dom_storage_context.h

Index: webkit/dom_storage/dom_storage_context.h
diff --git a/webkit/dom_storage/dom_storage_context.h b/webkit/dom_storage/dom_storage_context.h
index ca2b570f618d74cb9cc0f66e3717faf6fde6fb4a..c1591b74a69236d485c2001910358d906865d087 100644
--- a/webkit/dom_storage/dom_storage_context.h
+++ b/webkit/dom_storage/dom_storage_context.h
@@ -116,9 +116,6 @@ class DomStorageContext
   // what data to keep and what data to discard at shutdown.
   // The policy is not so straight forward to describe, see
   // the implementation for details.
-  void SetClearLocalState(bool clear_local_state) {
-    clear_local_state_ = clear_local_state;
-  }
   void SaveSessionState() {
     save_session_state_ = true;
   }
@@ -191,7 +188,6 @@ class DomStorageContext
   base::AtomicSequenceNumber session_id_sequence_;
 
   bool is_shutdown_;
-  bool clear_local_state_;
   bool save_session_state_;
   scoped_refptr<quota::SpecialStoragePolicy> special_storage_policy_;
 };