| Index: media/audio/audio_io.h
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| diff --git a/media/audio/audio_io.h b/media/audio/audio_io.h
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| index bdc9f6fa6b71d25ba03895ee7958f0fef8028747..cfc71bdb4681dedecad48f483c83a52973d892b6 100644
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| --- a/media/audio/audio_io.h
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| +++ b/media/audio/audio_io.h
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| @@ -90,7 +90,8 @@ class MEDIA_EXPORT AudioOutputStream {
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|  
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|    virtual ~AudioOutputStream() {}
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|  
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| -  // Open the stream. false is returned if the stream cannot be opened.
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| +  // Open the stream. false is returned if the stream cannot be opened.  Open()
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| +  // must always be followed by a call to Close() even if Open() fails.
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|    virtual bool Open() = 0;
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|  
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|    // Starts playing audio and generating AudioSourceCallback::OnMoreData().
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| 
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