Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/modules/webaudio/RealtimeAnalyser.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
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. 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 "modules/webaudio/RealtimeAnalyser.h"
 #include "platform/audio/AudioBus.h"
 #include "platform/audio/AudioUtilities.h"
 #include "platform/audio/VectorMath.h"
 #include "wtf/MathExtras.h"
-#include "wtf/PtrUtil.h"
 #include <algorithm>
 #include <complex>
 #include <limits.h>
 
 namespace blink {
 
 const double RealtimeAnalyser::DefaultSmoothingTimeConstant = 0.8;
 const double RealtimeAnalyser::DefaultMinDecibels = -100;
 const double RealtimeAnalyser::DefaultMaxDecibels = -30;
 
 const unsigned RealtimeAnalyser::DefaultFFTSize = 2048;
 // All FFT implementations are expected to handle power-of-two sizes MinFFTSize <= size <= MaxFFTSize.
 const unsigned RealtimeAnalyser::MinFFTSize = 32;
 const unsigned RealtimeAnalyser::MaxFFTSize = 32768;
 const unsigned RealtimeAnalyser::InputBufferSize = RealtimeAnalyser::MaxFFTSize * 2;
 
 RealtimeAnalyser::RealtimeAnalyser()
     : m_inputBuffer(InputBufferSize)
     , m_writeIndex(0)
     , m_downMixBus(AudioBus::create(1, AudioUtilities::kRenderQuantumFrames))
     , m_fftSize(DefaultFFTSize)
     , m_magnitudeBuffer(DefaultFFTSize / 2)
     , m_smoothingTimeConstant(DefaultSmoothingTimeConstant)
     , m_minDecibels(DefaultMinDecibels)
     , m_maxDecibels(DefaultMaxDecibels)
     , m_lastAnalysisTime(-1)
 {
-    m_analysisFrame = wrapUnique(new FFTFrame(DefaultFFTSize));
+    m_analysisFrame = adoptPtr(new FFTFrame(DefaultFFTSize));
 }
 
 bool RealtimeAnalyser::setFftSize(size_t size)
 {
     ASSERT(isMainThread());
 
     // Only allow powers of two.
     unsigned log2size = static_cast<unsigned>(log2(size));
     bool isPOT(1UL << log2size == size);
 
     if (!isPOT || size > MaxFFTSize || size < MinFFTSize)
         return false;
 
     if (m_fftSize != size) {
-        m_analysisFrame = wrapUnique(new FFTFrame(size));
+        m_analysisFrame = adoptPtr(new FFTFrame(size));
         // m_magnitudeBuffer has size = fftSize / 2 because it contains floats reduced from complex values in m_analysisFrame.
         m_magnitudeBuffer.allocate(size / 2);
         m_fftSize = size;
     }
 
     return true;
 }
 
 void RealtimeAnalyser::writeInput(AudioBus* bus, size_t framesToProcess)
 {
@@ skipping 234 matching lines @@
             if (scaledValue > UCHAR_MAX)
                 scaledValue = UCHAR_MAX;
 
             destination[i] = static_cast<unsigned char>(scaledValue);
         }
     }
 }
 
 } // namespace blink