diff -r 000000000000 -r 4f2f89ce4247 WebKit/chromium/public/WebData.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebKit/chromium/public/WebData.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,110 @@
+/*
+ * 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.
+ */
+
+#ifndef WebData_h
+#define WebData_h
+
+#include "WebCommon.h"
+
+#if WEBKIT_IMPLEMENTATION
+namespace WebCore { class SharedBuffer; }
+namespace WTF { template <typename T> class PassRefPtr; }
+#endif
+
+namespace WebKit {
+
+class WebDataPrivate;
+
+// A container for raw bytes.  It is inexpensive to copy a WebData object.
+//
+// WARNING: It is not safe to pass a WebData across threads!!!
+//
+class WebData {
+public:
+    ~WebData() { reset(); }
+
+    WebData() : m_private(0) { }
+
+    WebData(const char* data, size_t size) : m_private(0)
+    {
+        assign(data, size);
+    }
+
+    template <int N>
+    WebData(const char (&data)[N]) : m_private(0)
+    {
+        assign(data, N - 1);
+    }
+
+    WebData(const WebData& d) : m_private(0) { assign(d); }
+
+    WebData& operator=(const WebData& d)
+    {
+        assign(d);
+        return *this;
+    }
+
+    WEBKIT_API void reset();
+    WEBKIT_API void assign(const WebData&);
+    WEBKIT_API void assign(const char* data, size_t size);
+
+    WEBKIT_API size_t size() const;
+    WEBKIT_API const char* data() const;
+
+    bool isEmpty() const { return !size(); }
+    bool isNull() const { return !m_private; }
+
+#if WEBKIT_IMPLEMENTATION
+    WebData(const WTF::PassRefPtr<WebCore::SharedBuffer>&);
+    WebData& operator=(const WTF::PassRefPtr<WebCore::SharedBuffer>&);
+    operator WTF::PassRefPtr<WebCore::SharedBuffer>() const;
+#else
+    template <class C>
+    WebData(const C& c) : m_private(0)
+    {
+        assign(c.data(), c.size());
+    }
+
+    template <class C>
+    WebData& operator=(const C& c)
+    {
+        assign(c.data(), c.size());
+        return *this;
+    }
+#endif
+
+private:
+    void assign(WebDataPrivate*);
+    WebDataPrivate* m_private;
+};
+
+} // namespace WebKit
+
+#endif