Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/audio/MultiChannelResampler.cpp

 /*
  * Copyright (C) 2011 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.
  */
 
+#include "platform/audio/MultiChannelResampler.h"
 #include "platform/audio/AudioBus.h"
-#include "platform/audio/MultiChannelResampler.h"
-#include "wtf/PtrUtil.h"
 
 namespace blink {
 
 namespace {
 
 // ChannelProvider provides a single channel of audio data (one channel at a time) for each channel
 // of data provided to us in a multi-channel provider.
 
 class ChannelProvider final : public AudioSourceProvider {
 public:
@@ skipping 44 matching lines @@
     size_t m_framesToProcess; // Used to verify that all channels ask for the same amount.
 };
 
 } // namespace
 
 MultiChannelResampler::MultiChannelResampler(double scaleFactor, unsigned numberOfChannels)
     : m_numberOfChannels(numberOfChannels)
 {
     // Create each channel's resampler.
     for (unsigned channelIndex = 0; channelIndex < numberOfChannels; ++channelIndex)
-        m_kernels.append(wrapUnique(new SincResampler(scaleFactor)));
+        m_kernels.append(adoptPtr(new SincResampler(scaleFactor)));
 }
 
 void MultiChannelResampler::process(AudioSourceProvider* provider, AudioBus* destination, size_t framesToProcess)
 {
     // The provider can provide us with multi-channel audio data. But each of our single-channel resamplers (kernels)
     // below requires a provider which provides a single unique channel of data.
     // channelProvider wraps the original multi-channel provider and dishes out one channel at a time.
     ChannelProvider channelProvider(provider, m_numberOfChannels);
 
     for (unsigned channelIndex = 0; channelIndex < m_numberOfChannels; ++channelIndex) {
         // Depending on the sample-rate scale factor, and the internal buffering used in a SincResampler
         // kernel, this call to process() will only sometimes call provideInput() on the channelProvider.
         // However, if it calls provideInput() for the first channel, then it will call it for the remaining
         // channels, since they all buffer in the same way and are processing the same number of frames.
         m_kernels[channelIndex]->process(&channelProvider,
                                          destination->channel(channelIndex)->mutableData(),
                                          framesToProcess);
     }
 }
 
 } // namespace blink