--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKitTools/DumpRenderTree/chromium/DRTDevToolsCallArgs.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,72 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef DRTDevToolsCallArgs_h
+#define DRTDevToolsCallArgs_h
+
+#include "public/WebDevToolsMessageData.h"
+#include "public/WebString.h"
+#include <wtf/Assertions.h>
+
+class DRTDevToolsCallArgs {
+public:
+    DRTDevToolsCallArgs(const WebKit::WebDevToolsMessageData& data)
+        : m_data(data)
+    {
+        ++m_callsCount;
+
+        // The same behaviour as we have in case of IPC.
+        for (size_t i = 0; i < m_data.arguments.size(); ++i) {
+            if (m_data.arguments[i].isNull())
+                m_data.arguments[i] = WebKit::WebString::fromUTF8("");
+        }
+    }
+
+    DRTDevToolsCallArgs(const DRTDevToolsCallArgs& args)
+        : m_data(args.m_data)
+    {
+        ++m_callsCount;
+    }
+
+    ~DRTDevToolsCallArgs()
+    {
+        --m_callsCount;
+        ASSERT(m_callsCount >= 0);
+    }
+
+    static int callsCount() { return m_callsCount; }
+
+    WebKit::WebDevToolsMessageData m_data;
+
+private:
+    static int m_callsCount;
+};
+
+#endif // DRTDevToolsCallArgs_h