diff -r 000000000000 -r 4f2f89ce4247 WebCore/platform/KURLHash.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/KURLHash.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,61 @@
+/*
+ * Copyright (C) 2008 Apple 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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. 
+ */
+
+#ifndef KURLHash_h
+#define KURLHash_h
+
+#include "KURL.h"
+#include "PlatformString.h"
+#include "StringHash.h"
+
+namespace WebCore {
+
+    struct KURLHash {
+        static unsigned hash(const KURL& key)
+        {
+            return key.string().impl()->hash();
+        }
+
+        static bool equal(const KURL& a, const KURL& b)
+        {
+            return StringHash::equal(a.string(), b.string());
+        }
+
+        static const bool safeToCompareToEmptyOrDeleted = false;
+    };
+
+} // namespace WebCore
+
+namespace WTF {
+
+    template<> struct HashTraits<WebCore::KURL> : GenericHashTraits<WebCore::KURL> {
+        static const bool emptyValueIsZero = true;
+        static void constructDeletedValue(WebCore::KURL& slot) { new (&slot) WebCore::KURL(WebCore::ParsedURLString, WebCore::String(HashTableDeletedValue)); }
+        static bool isDeletedValue(const WebCore::KURL& slot) { return slot.string().isHashTableDeletedValue(); }
+    };
+
+} // namespace WTF
+
+#endif // KURLHash_h