Tried to move AudioSummingJuction to oilpan

Source/modules/webaudio/AudioBuffer.cpp

 /*
  * 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
@@ skipping 34 matching lines @@
     // crbug.com/344375
     return 3000;
 }
 
 float AudioBuffer::maxAllowedSampleRate()
 {
     // Windows can support up to this rate.
     return 192000;
 }
 
-PassRefPtr<AudioBuffer> AudioBuffer::create(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)
+PassRefPtrWillBeRawPtr<AudioBuffer> AudioBuffer::create(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)
 {
     if (sampleRate < minAllowedSampleRate() || sampleRate > maxAllowedSampleRate() || numberOfChannels > AudioContext::maxNumberOfChannels() || !numberOfFrames)
         return nullptr;
 
-    RefPtr<AudioBuffer> buffer = adoptRef(new AudioBuffer(numberOfChannels, numberOfFrames, sampleRate));
+    RefPtrWillBeRawPtr<AudioBuffer> buffer = adoptRefWillBeNoop(new AudioBuffer(numberOfChannels, numberOfFrames, sampleRate));
 
     if (!buffer->createdSuccessfully(numberOfChannels))
         return nullptr;
     return buffer;
 }
 
-PassRefPtr<AudioBuffer> AudioBuffer::createFromAudioFileData(const void* data, size_t dataSize, bool mixToMono, float sampleRate)
+PassRefPtrWillBeRawPtr<AudioBuffer> AudioBuffer::createFromAudioFileData(const void* data, size_t dataSize, bool mixToMono, float sampleRate)
 {
     RefPtr<AudioBus> bus = createBusFromInMemoryAudioFile(data, dataSize, mixToMono, sampleRate);
     if (bus.get()) {
-        RefPtr<AudioBuffer> buffer = adoptRef(new AudioBuffer(bus.get()));
+        RefPtrWillBeRawPtr<AudioBuffer> buffer = adoptRefWillBeNoop(new AudioBuffer(bus.get()));
         if (buffer->createdSuccessfully(bus->numberOfChannels()))
             return buffer;
     }
 
     return nullptr;
 }
 
+PassRefPtrWillBeRawPtr<AudioBuffer> AudioBuffer::createFromAudioBus(AudioBus* bus)
+{
+    if (!bus)
+        return nullptr;
+    RefPtrWillBeRawPtr<AudioBuffer> buffer = adoptRefWillBeNoop(new AudioBuffer(bus));
+    if (buffer->createdSuccessfully(bus->numberOfChannels()))
+        return buffer;
+    return nullptr;
+}
+
 bool AudioBuffer::createdSuccessfully(unsigned desiredNumberOfChannels) const
 {
     return numberOfChannels() == desiredNumberOfChannels;
 }
 
 AudioBuffer::AudioBuffer(unsigned numberOfChannels, size_t numberOfFrames, float sampleRate)
     : m_sampleRate(sampleRate)
     , m_length(numberOfFrames)
 {
     ScriptWrappable::init(this);
@@ skipping 56 matching lines @@
 {
     for (unsigned i = 0; i < m_channels.size(); ++i) {
         if (getChannelData(i))
             getChannelData(i)->zeroRange(0, length());
     }
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEB_AUDIO)