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

webkit/api/src/WebStorageEventDispatcherImpl.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
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "WebStorageEventDispatcherImpl.h"
+
+#if ENABLE(DOM_STORAGE)
+
+#include "SecurityOrigin.h"
+
+extern const char* pageGroupName;
+
+namespace WebKit {
+
+WebStorageEventDispatcher* WebStorageEventDispatcher::create()
+{
+    return new WebStorageEventDispatcherImpl();
+}
+
+WebStorageEventDispatcherImpl::WebStorageEventDispatcherImpl()
+    : m_eventDispatcher(new WebCore::StorageEventDispatcherImpl(pageGroupName))
+{
+    ASSERT(m_eventDispatcher);
+}
+
+void WebStorageEventDispatcherImpl::dispatchStorageEvent(const WebString& key, const WebString& oldValue,
+                                                         const WebString& newValue, const WebString& origin,
+                                                         bool isLocalStorage)
+{
+    WebCore::StorageType storageType = isLocalStorage ? WebCore::LocalStorage : WebCore::SessionStorage;
+    RefPtr<WebCore::SecurityOrigin> securityOrigin = WebCore::SecurityOrigin::createFromString(origin);
+    m_eventDispatcher->dispatchStorageEvent(key, oldValue, newValue, storageType, securityOrigin.get());
+}
+
+} // namespace WebKit
+
+#endif // ENABLE(DOM_STORAGE)