Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/audio/HRTFDatabase.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 11 matching lines @@
  * (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/HRTFDatabase.h"
 
 #include "wtf/MathExtras.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
 const int HRTFDatabase::MinElevation = -45;
 const int HRTFDatabase::MaxElevation = 90;
 const unsigned HRTFDatabase::RawElevationAngleSpacing = 15;
 const unsigned HRTFDatabase::NumberOfRawElevations = 10; // -45 -> +90 (each 15 degrees)
 const unsigned HRTFDatabase::InterpolationFactor = 1;
 const unsigned HRTFDatabase::NumberOfTotalElevations = NumberOfRawElevations * InterpolationFactor;
 
-std::unique_ptr<HRTFDatabase> HRTFDatabase::create(float sampleRate)
+PassOwnPtr<HRTFDatabase> HRTFDatabase::create(float sampleRate)
 {
-    return wrapUnique(new HRTFDatabase(sampleRate));
+    return adoptPtr(new HRTFDatabase(sampleRate));
 }
 
 HRTFDatabase::HRTFDatabase(float sampleRate)
     : m_elevations(NumberOfTotalElevations)
     , m_sampleRate(sampleRate)
 {
     unsigned elevationIndex = 0;
     for (int elevation = MinElevation; elevation <= MaxElevation; elevation += RawElevationAngleSpacing) {
-        std::unique_ptr<HRTFElevation> hrtfElevation = HRTFElevation::createForSubject("Composite", elevation, sampleRate);
+        OwnPtr<HRTFElevation> hrtfElevation = HRTFElevation::createForSubject("Composite", elevation, sampleRate);
         ASSERT(hrtfElevation.get());
         if (!hrtfElevation.get())
             return;
 
         m_elevations[elevationIndex] = std::move(hrtfElevation);
         elevationIndex += InterpolationFactor;
     }
 
     // Now, go back and interpolate elevations.
     if (InterpolationFactor > 1) {
@@ skipping 42 matching lines @@
 {
     // Clamp to allowed range.
     elevationAngle = clampTo<double, double>(elevationAngle, MinElevation, MaxElevation);
 
     unsigned elevationIndex = static_cast<int>(InterpolationFactor * (elevationAngle - MinElevation) / RawElevationAngleSpacing);
     return elevationIndex;
 }
 
 } // namespace blink