Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/audio/HRTFDatabase.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 HRTFDatabase_h
 #define HRTFDatabase_h
 
 #include "platform/audio/HRTFElevation.h"
 #include "wtf/Allocator.h"
 #include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
+#include "wtf/OwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/Vector.h"
-#include <memory>
 
 namespace blink {
 
 class HRTFKernel;
 
 class PLATFORM_EXPORT HRTFDatabase {
     USING_FAST_MALLOC(HRTFDatabase);
     WTF_MAKE_NONCOPYABLE(HRTFDatabase);
 public:
-    static std::unique_ptr<HRTFDatabase> create(float sampleRate);
+    static PassOwnPtr<HRTFDatabase> create(float sampleRate);
 
     // getKernelsFromAzimuthElevation() returns a left and right ear kernel, and an interpolated left and right frame delay for the given azimuth and elevation.
     // azimuthBlend must be in the range 0 -> 1.
     // Valid values for azimuthIndex are 0 -> HRTFElevation::NumberOfTotalAzimuths - 1 (corresponding to angles of 0 -> 360).
     // Valid values for elevationAngle are MinElevation -> MaxElevation.
     void getKernelsFromAzimuthElevation(double azimuthBlend, unsigned azimuthIndex, double elevationAngle, HRTFKernel* &kernelL, HRTFKernel* &kernelR, double& frameDelayL, double& frameDelayR);
 
     // Returns the number of different azimuth angles.
     static unsigned numberOfAzimuths() { return HRTFElevation::NumberOfTotalAzimuths; }
 
@@ skipping 12 matching lines @@
 
     // Interpolates by this factor to get the total number of elevations from every elevation loaded from resource.
     static const unsigned InterpolationFactor;
 
     // Total number of elevations after interpolation.
     static const unsigned NumberOfTotalElevations;
 
     // Returns the index for the correct HRTFElevation given the elevation angle.
     static unsigned indexFromElevationAngle(double);
 
-    Vector<std::unique_ptr<HRTFElevation>> m_elevations;
+    Vector<OwnPtr<HRTFElevation>> m_elevations;
     float m_sampleRate;
 };
 
 } // namespace blink
 
 #endif // HRTFDatabase_h