Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/audio/FFTFrame.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 12 matching lines @@
  * 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/FFTFrame.h"
 #include "platform/audio/VectorMath.h"
 #include "platform/Logging.h"
 #include "wtf/MathExtras.h"
-#include "wtf/PtrUtil.h"
+#include "wtf/OwnPtr.h"
 #include <complex>
-#include <memory>
 
 #ifndef NDEBUG
 #include <stdio.h>
 #endif
 
 namespace blink {
 
 void FFTFrame::doPaddedFFT(const float* data, size_t dataSize)
 {
     // Zero-pad the impulse response
     AudioFloatArray paddedResponse(fftSize()); // zero-initialized
     paddedResponse.copyToRange(data, 0, dataSize);
 
     // Get the frequency-domain version of padded response
     doFFT(paddedResponse.data());
 }
 
-std::unique_ptr<FFTFrame> FFTFrame::createInterpolatedFrame(const FFTFrame& frame1, const FFTFrame& frame2, double x)
+PassOwnPtr<FFTFrame> FFTFrame::createInterpolatedFrame(const FFTFrame& frame1, const FFTFrame& frame2, double x)
 {
-    std::unique_ptr<FFTFrame> newFrame = wrapUnique(new FFTFrame(frame1.fftSize()));
+    OwnPtr<FFTFrame> newFrame = adoptPtr(new FFTFrame(frame1.fftSize()));
 
     newFrame->interpolateFrequencyComponents(frame1, frame2, x);
 
     // In the time-domain, the 2nd half of the response must be zero, to avoid circular convolution aliasing...
     int fftSize = newFrame->fftSize();
     AudioFloatArray buffer(fftSize);
     newFrame->doInverseFFT(buffer.data());
     buffer.zeroRange(fftSize / 2, fftSize);
 
     // Put back into frequency domain.
@@ skipping 195 matching lines @@
 
     VectorMath::zvmul(realP1, imagP1, realP2, imagP2, realP1, imagP1, halfSize);
 
     // Multiply the packed DC/nyquist component
     realP1[0] = real0 * realP2[0];
     imagP1[0] = imag0 * imagP2[0];
 }
 
 } // namespace blink