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diff --git a/WebCore/platform/audio/mac/AudioFileReaderMac.h b/WebCore/platform/audio/mac/AudioFileReaderMac.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:
+ *
+ * 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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 AudioFileReaderMac_h
+#define AudioFileReaderMac_h
+
+#include <AudioToolbox/AudioFile.h>
+#include <AudioToolbox/ExtendedAudioFile.h>
+#include <wtf/PassOwnPtr.h>
+
+namespace WebCore {
+
+class AudioBus;
+    
+// Wrapper class for AudioFile and ExtAudioFile CoreAudio APIs for reading files and in-memory versions of them...
+
+class AudioFileReader {
+public:
+    AudioFileReader(const char* filePath);
+    AudioFileReader(const void* data, size_t dataSize);
+    ~AudioFileReader();
+
+    // Returns 0 if error
+    PassOwnPtr<AudioBus> createBus(double sampleRate, bool mixToMono);
+
+    const void* data() const { return m_data; }
+    size_t dataSize() const { return m_dataSize; }
+
+private:
+    static OSStatus readProc(void* clientData, SInt64 position, UInt32 requestCount, void* buffer, UInt32* actualCount);
+    static SInt64 getSizeProc(void* clientData);
+
+    const void* m_data;
+    size_t m_dataSize;
+    const char* m_filePath;
+
+    AudioFileID m_audioFileID;
+    ExtAudioFileRef m_extAudioFileRef;
+
+    AudioStreamBasicDescription m_fileDataFormat;
+    AudioStreamBasicDescription m_clientDataFormat;
+};
+
+} // namespace WebCore
+ 
+#endif // AudioFileReaderMac_h