Revert "Remove OwnPtr from Blink."

third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp

Index: third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp
diff --git a/third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp b/third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp
index 6b79e7fd96fcc372e222a4fa7e6e6ed21dfdecbb..7b88489525d37c884d887999f65331d7ebbe9c3c 100644
--- a/third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp
+++ b/third_party/WebKit/Source/platform/audio/HRTFDatabase.cpp
@@ -29,8 +29,6 @@
 #include "platform/audio/HRTFDatabase.h"
 
 #include "wtf/MathExtras.h"
-#include "wtf/PtrUtil.h"
-#include <memory>
 
 namespace blink {
 
@@ -41,9 +39,9 @@ const unsigned HRTFDatabase::NumberOfRawElevations = 10; // -45 -> +90 (each 15
 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)
@@ -52,7 +50,7 @@ HRTFDatabase::HRTFDatabase(float 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;