Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/audio/FFTFrame.h

 /*
  * 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 15 matching lines @@
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef FFTFrame_h
 #define FFTFrame_h
 
 #include "platform/PlatformExport.h"
 #include "platform/audio/AudioArray.h"
 #include "wtf/Allocator.h"
 #include "wtf/Forward.h"
+#include "wtf/PassOwnPtr.h"
 #include "wtf/Threading.h"
-#include <memory>
 
 #if OS(MACOSX)
 #include <Accelerate/Accelerate.h>
 #elif USE(WEBAUDIO_OPENMAX_DL_FFT)
 #include <dl/sp/api/omxSP.h>
 #elif USE(WEBAUDIO_FFMPEG)
 struct RDFTContext;
 #endif
 
 namespace blink {
@@ skipping 19 matching lines @@
     float* realData() const { return const_cast<float*>(m_realData.data()); }
     float* imagData() const { return const_cast<float*>(m_imagData.data()); }
 
     unsigned fftSize() const { return m_FFTSize; }
     unsigned log2FFTSize() const { return m_log2FFTSize; }
 
     // CROSS-PLATFORM
     // The remaining public methods have cross-platform implementations:
 
     // Interpolates from frame1 -> frame2 as x goes from 0.0 -> 1.0
-    static std::unique_ptr<FFTFrame> createInterpolatedFrame(const FFTFrame& frame1, const FFTFrame& frame2, double x);
+    static PassOwnPtr<FFTFrame> createInterpolatedFrame(const FFTFrame& frame1, const FFTFrame& frame2, double x);
     void doPaddedFFT(const float* data, size_t dataSize); // zero-padding with dataSize <= fftSize
     double extractAverageGroupDelay();
     void addConstantGroupDelay(double sampleFrameDelay);
     void multiply(const FFTFrame&); // multiplies ourself with frame : effectively operator*=()
 
 private:
     void interpolateFrequencyComponents(const FFTFrame& frame1, const FFTFrame& frame2, double x);
 
     unsigned m_FFTSize;
     unsigned m_log2FFTSize;
@@ skipping 17 matching lines @@
     static OMXFFTSpec_R_F32* contextForSize(unsigned log2FFTSize);
     OMXFFTSpec_R_F32* m_forwardContext;
     OMXFFTSpec_R_F32* m_inverseContext;
     AudioFloatArray m_complexData;
 #endif
 };
 
 } // namespace blink
 
 #endif // FFTFrame_h