2010-09-09 Chris Rogers <crogers@google.com>

      Reviewed by Kenneth Russell.

        Add AudioBuffer files
        https://bugs.webkit.org/show_bug.cgi?id=45003

        No new tests since audio API is not yet implemented.

        * webaudio/AudioBuffer.cpp: Added.
        (WebCore::AudioBuffer::create):
        (WebCore::AudioBuffer::createFromAudioFileData):
        (WebCore::AudioBuffer::AudioBuffer):
        (WebCore::AudioBuffer::releaseMemory):
        (WebCore::AudioBuffer::getChannelData):
        (WebCore::AudioBuffer::zero):
        * webaudio/AudioBuffer.h: Added.
        (WebCore::AudioBuffer::length):
        (WebCore::AudioBuffer::duration):
        (WebCore::AudioBuffer::sampleRate):
        (WebCore::AudioBuffer::numberOfChannels):
        (WebCore::AudioBuffer::gain):
        (WebCore::AudioBuffer::setGain):
        * webaudio/AudioBuffer.idl: Added.

git-svn-id: svn://svn.chromium.org/blink/trunk@67128 bbb929c8-8fbe-4397-9dbb-9b2b20218538