| Index: third_party/WebKit/Source/modules/webaudio/MediaStreamAudioDestinationNode.cpp
 | 
| diff --git a/third_party/WebKit/Source/modules/webaudio/MediaStreamAudioDestinationNode.cpp b/third_party/WebKit/Source/modules/webaudio/MediaStreamAudioDestinationNode.cpp
 | 
| index 0c01d9d309cc4dd03e229a832c942c6cf4e96db5..29fb96a68bbff989771eedb476e651c3f2699bf4 100644
 | 
| --- a/third_party/WebKit/Source/modules/webaudio/MediaStreamAudioDestinationNode.cpp
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| +++ b/third_party/WebKit/Source/modules/webaudio/MediaStreamAudioDestinationNode.cpp
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| @@ -47,7 +47,8 @@ MediaStreamAudioDestinationHandler::MediaStreamAudioDestinationHandler(
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|                                   node,
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|                                   node.context()->sampleRate(),
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|                                   numberOfChannels),
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| -      m_mixBus(AudioBus::create(numberOfChannels, ProcessingSizeInFrames)) {
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| +      m_mixBus(AudioBus::create(numberOfChannels,
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| +                                AudioUtilities::kRenderQuantumFrames)) {
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|    m_source = MediaStreamSource::create(
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|        "WebAudio-" + createCanonicalUUIDString(), MediaStreamSource::TypeAudio,
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|        "MediaStreamAudioDestinationNode", false,
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| @@ -91,7 +92,7 @@ void MediaStreamAudioDestinationHandler::process(size_t numberOfFrames) {
 | 
|    if (tryLocker.locked()) {
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|      unsigned count = channelCount();
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|      if (count != m_mixBus->numberOfChannels()) {
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| -      m_mixBus = AudioBus::create(count, ProcessingSizeInFrames);
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| +      m_mixBus = AudioBus::create(count, AudioUtilities::kRenderQuantumFrames);
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|        // setAudioFormat has an internal lock.  This can cause audio to
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|        // glitch.  This is outside of our control.
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|        m_source->setAudioFormat(count, context()->sampleRate());
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| 
 |