Get rid of the render view id in localStorage IPCs as it's not used anymore

content/browser/in_process_webkit/dom_storage_message_filter.h

Index: content/browser/in_process_webkit/dom_storage_message_filter.h
diff --git a/content/browser/in_process_webkit/dom_storage_message_filter.h b/content/browser/in_process_webkit/dom_storage_message_filter.h
index 3976d7cd695d5ac53cb2d8cd0436b47c7711defd..9ac90346930789272e8b90e6c1e42bc84d1bdbf0 100644
--- a/content/browser/in_process_webkit/dom_storage_message_filter.h
+++ b/content/browser/in_process_webkit/dom_storage_message_filter.h
@@ -51,7 +51,7 @@ class DOMStorageMessageFilter : public BrowserMessageFilter {
   void OnKey(int64 storage_area_id, unsigned index, NullableString16* key);
   void OnGetItem(int64 storage_area_id, const string16& key,
                  NullableString16* value);
-  void OnSetItem(int render_view_id, int64 storage_area_id, const string16& key,
+  void OnSetItem(int64 storage_area_id, const string16& key,
                  const string16& value, const GURL& url,
                  WebKit::WebStorageArea::Result* result,
                  NullableString16* old_value);