diff -r 000000000000 -r 4f2f89ce4247 WebCore/bindings/cpp/WebDOMString.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/bindings/cpp/WebDOMString.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,124 @@
+/*
+ * Copyright (C) Research In Motion Limited 2010. All rights reserved.
+ * Copyright (C) 2009 Google Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include "config.h"
+#include "WebDOMString.h"
+
+#include "WebDOMCString.h"
+#include <wtf/text/AtomicString.h>
+#include <wtf/text/CString.h>
+#include <wtf/text/WTFString.h>
+
+class WebDOMStringPrivate : public WebCore::StringImpl {
+};
+
+void WebDOMString::reset()
+{
+    if (m_private) {
+        m_private->deref();
+        m_private = 0;
+    }
+}
+
+void WebDOMString::assign(const WebDOMString& other)
+{
+    assign(const_cast<WebDOMStringPrivate*>(other.m_private));
+}
+
+void WebDOMString::assign(const WebUChar* data, size_t length)
+{
+    assign(static_cast<WebDOMStringPrivate*>(
+        WebCore::StringImpl::create(data, length).get()));
+}
+
+size_t WebDOMString::length() const
+{
+    return m_private ? const_cast<WebDOMStringPrivate*>(m_private)->length() : 0;
+}
+
+const WebUChar* WebDOMString::data() const
+{
+    return m_private ? const_cast<WebDOMStringPrivate*>(m_private)->characters() : 0;
+}
+
+WebDOMCString WebDOMString::utf8() const
+{
+    return WebCore::String(m_private).utf8();
+}
+
+WebDOMString WebDOMString::fromUTF8(const char* data, size_t length)
+{
+    return WebCore::String::fromUTF8(data, length);
+}
+
+WebDOMString WebDOMString::fromUTF8(const char* data)
+{
+    return WebCore::String::fromUTF8(data);
+}
+
+WebDOMString::WebDOMString(const WebCore::String& s)
+    : m_private(static_cast<WebDOMStringPrivate*>(s.impl()))
+{
+    if (m_private)
+        m_private->ref();
+}
+
+WebDOMString& WebDOMString::operator=(const WebCore::String& s)
+{
+    assign(static_cast<WebDOMStringPrivate*>(s.impl()));
+    return *this;
+}
+
+WebDOMString::operator WebCore::String() const
+{
+    return m_private;
+}
+
+WebDOMString::WebDOMString(const WebCore::AtomicString& s)
+    : m_private(0)
+{
+    assign(s.string());
+}
+
+WebDOMString& WebDOMString::operator=(const WebCore::AtomicString& s)
+{
+    assign(s.string());
+    return *this;
+}
+
+WebDOMString::operator WebCore::AtomicString() const
+{
+    return WebCore::AtomicString(static_cast<WebCore::StringImpl *>(m_private));
+}
+
+bool WebDOMString::equals(const char* string) const
+{
+    return WebCore::equal(m_private, string);
+}
+
+void WebDOMString::assign(WebDOMStringPrivate* p)
+{
+    // Take care to handle the case where m_private == p
+    if (p)
+        p->ref();
+    if (m_private)
+        m_private->deref();
+    m_private = p;
+}