Pass implementation object to supplemental classes by reference

Source/modules/indexeddb/InspectorIndexedDBAgent.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 586 matching lines @@
     return document;
 }
 
 static IDBFactory* assertIDBFactory(ErrorString* errorString, Document* document)
 {
     DOMWindow* domWindow = document->domWindow();
     if (!domWindow) {
         *errorString = "No IndexedDB factory for given frame found";
         return 0;
     }
-    IDBFactory* idbFactory = DOMWindowIndexedDatabase::indexedDB(domWindow);
+    IDBFactory* idbFactory = DOMWindowIndexedDatabase::indexedDB(*domWindow);
 
     if (!idbFactory)
         *errorString = "No IndexedDB factory for given frame found";
 
     return idbFactory;
 }
 
 void InspectorIndexedDBAgent::requestDatabaseNames(ErrorString* errorString, const String& securityOrigin, PassRefPtr<RequestDatabaseNamesCallback> requestCallback)
 {
     Frame* frame = findFrameWithSecurityOrigin(m_page, securityOrigin);
@@ skipping 167 matching lines @@
     v8::HandleScope handleScope(isolate);
     v8::Handle<v8::Context> context = toV8Context(isolate, document->frame(), DOMWrapperWorld::mainWorld());
     ASSERT(!context.IsEmpty());
     v8::Context::Scope contextScope(context);
 
     RefPtr<ClearObjectStore> clearObjectStore = ClearObjectStore::create(document, objectStoreName, requestCallback);
     clearObjectStore->start(idbFactory, document->securityOrigin(), databaseName);
 }
 
 } // namespace WebCore