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diff --git a/WebKit/chromium/public/WebImageDecoder.h b/WebKit/chromium/public/WebImageDecoder.h
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+/*
+ * 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 WebImageDecoder_h
+#define WebImageDecoder_h
+
+#include "WebCommon.h"
+#include "WebImage.h"
+#include "WebNonCopyable.h"
+
+namespace WebCore { class ImageDecoder; }
+
+namespace WebKit {
+
+typedef WebCore::ImageDecoder WebImageDecoderPrivate;
+class WebData;
+
+class WebImageDecoder : public WebNonCopyable {
+public:
+    enum Type {
+        TypeBMP,
+        TypeICO
+    };
+
+    ~WebImageDecoder() { reset(); }
+
+    explicit WebImageDecoder(Type type) { init(type); }
+
+    // Sets data contents for underlying decoder. All the API methods
+    // require that setData() is called prior to their use.
+    WEBKIT_API void setData(const WebData& data, bool allDataReceived);
+
+    // Deletes owned decoder.
+    WEBKIT_API void reset();
+
+    // Returns true if image decoding failed.
+    WEBKIT_API bool isFailed() const;
+    
+    // Returns true if size information is available for the decoder.
+    WEBKIT_API bool isSizeAvailable() const;
+
+    // Returns the size of the image.
+    WEBKIT_API WebSize size() const;
+
+    // Gives frame count for the image. For multiple frames, decoder scans the image data for the count.
+    WEBKIT_API size_t frameCount() const;
+
+    // Returns if the frame at given index is completely decoded.
+    WEBKIT_API bool isFrameCompleteAtIndex(int index) const;
+
+    // Creates and returns WebImage from buffer at the index.
+    WEBKIT_API WebImage getFrameAtIndex(int index) const;
+
+private:
+    // Creates type-specific decoder.
+    WEBKIT_API void init(Type type);
+
+    WebImageDecoderPrivate* m_private;
+};
+
+} // namespace WebKit
+
+#endif