Another stab at the Chromium side of storage events. The WebKit side can be ...

webkit/api/src/StorageEventDispatcherChromium.cpp

 /*
  * Copyright (C) 2009 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 28 matching lines @@
 #include "WebKit.h"
 #include "WebKitClient.h"
 #include "WebString.h"
 
 namespace WebCore {
 
 void StorageEventDispatcher::dispatch(const String& key, const String& oldValue,
                                       const String& newValue, StorageType storageType,
                                       SecurityOrigin* origin, Frame* sourceFrame)
 {
-    // FIXME: Implement.
+    ASSERT(!sourceFrame);  // Sad, but true.
+    WebKit::webKitClient()->dispatchStorageEvent(key, oldValue, newValue, origin->toString(), storageType == LocalStorage);
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(DOM_STORAGE)