Remove OwnPtr from Blink.

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

Index: third_party/WebKit/Source/platform/audio/HRTFElevation.h
diff --git a/third_party/WebKit/Source/platform/audio/HRTFElevation.h b/third_party/WebKit/Source/platform/audio/HRTFElevation.h
index 988a204ffc70c0961b163d1654d52f489deb546a..f3786c3d1ad86f762e35448179fd556fe4682027 100644
--- a/third_party/WebKit/Source/platform/audio/HRTFElevation.h
+++ b/third_party/WebKit/Source/platform/audio/HRTFElevation.h
@@ -32,12 +32,11 @@
 #include "platform/audio/HRTFKernel.h"
 #include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
-#include "wtf/OwnPtr.h"
-#include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefPtr.h"
 #include "wtf/text/CString.h"
 #include "wtf/text/WTFString.h"
+#include <memory>
 
 namespace blink {
 
@@ -51,10 +50,10 @@ public:
     // Normally, there will only be a single HRTF database set, but this API supports the possibility of multiple ones with different names.
     // Interpolated azimuths will be generated based on InterpolationFactor.
     // Valid values for elevation are -45 -> +90 in 15 degree increments.
-    static PassOwnPtr<HRTFElevation> createForSubject(const String& subjectName, int elevation, float sampleRate);
+    static std::unique_ptr<HRTFElevation> createForSubject(const String& subjectName, int elevation, float sampleRate);
 
     // Given two HRTFElevations, and an interpolation factor x: 0 -> 1, returns an interpolated HRTFElevation.
-    static PassOwnPtr<HRTFElevation> createByInterpolatingSlices(HRTFElevation* hrtfElevation1, HRTFElevation* hrtfElevation2, float x, float sampleRate);
+    static std::unique_ptr<HRTFElevation> createByInterpolatingSlices(HRTFElevation* hrtfElevation1, HRTFElevation* hrtfElevation2, float x, float sampleRate);
 
     // Returns the list of left or right ear HRTFKernels for all the azimuths going from 0 to 360 degrees.
     HRTFKernelList* kernelListL() { return m_kernelListL.get(); }
@@ -84,10 +83,10 @@ public:
     // Valid values for azimuth are 0 -> 345 in 15 degree increments.
     // Valid values for elevation are -45 -> +90 in 15 degree increments.
     // Returns true on success.
-    static bool calculateKernelsForAzimuthElevation(int azimuth, int elevation, float sampleRate, const String& subjectName, OwnPtr<HRTFKernel>& kernelL, OwnPtr<HRTFKernel>& kernelR);
+    static bool calculateKernelsForAzimuthElevation(int azimuth, int elevation, float sampleRate, const String& subjectName, std::unique_ptr<HRTFKernel>& kernelL, std::unique_ptr<HRTFKernel>& kernelR);
 
 private:
-    HRTFElevation(PassOwnPtr<HRTFKernelList> kernelListL, PassOwnPtr<HRTFKernelList> kernelListR, int elevation, float sampleRate)
+    HRTFElevation(std::unique_ptr<HRTFKernelList> kernelListL, std::unique_ptr<HRTFKernelList> kernelListR, int elevation, float sampleRate)
         : m_kernelListL(std::move(kernelListL))
         , m_kernelListR(std::move(kernelListR))
         , m_elevationAngle(elevation)
@@ -95,8 +94,8 @@ private:
     {
     }
 
-    OwnPtr<HRTFKernelList> m_kernelListL;
-    OwnPtr<HRTFKernelList> m_kernelListR;
+    std::unique_ptr<HRTFKernelList> m_kernelListL;
+    std::unique_ptr<HRTFKernelList> m_kernelListR;
     double m_elevationAngle;
     float m_sampleRate;
 };