Remove OwnPtr from Blink.

third_party/WebKit/Source/platform/Crypto.cpp

Index: third_party/WebKit/Source/platform/Crypto.cpp
diff --git a/third_party/WebKit/Source/platform/Crypto.cpp b/third_party/WebKit/Source/platform/Crypto.cpp
index 00cdd51f92587aff04996b60f23c50482eea5bcf..79fa67b010a2c6ec717128c94a84f0799ec3648e 100644
--- a/third_party/WebKit/Source/platform/Crypto.cpp
+++ b/third_party/WebKit/Source/platform/Crypto.cpp
@@ -7,6 +7,8 @@
 #include "public/platform/Platform.h"
 #include "public/platform/WebCrypto.h"
 #include "public/platform/WebCryptoAlgorithm.h"
+#include "wtf/PtrUtil.h"
+#include <memory>
 
 namespace blink {
 
@@ -36,7 +38,7 @@ bool computeDigest(HashAlgorithm algorithm, const char* digestable, size_t lengt
 
     ASSERT(crypto);
 
-    OwnPtr<WebCryptoDigestor> digestor = adoptPtr(crypto->createDigestor(algorithmId));
+    std::unique_ptr<WebCryptoDigestor> digestor = wrapUnique(crypto->createDigestor(algorithmId));
     if (!digestor.get() || !digestor->consume(reinterpret_cast<const unsigned char*>(digestable), length) || !digestor->finish(result, resultSize))
         return false;
 
@@ -44,9 +46,9 @@ bool computeDigest(HashAlgorithm algorithm, const char* digestable, size_t lengt
     return true;
 }
 
-PassOwnPtr<WebCryptoDigestor> createDigestor(HashAlgorithm algorithm)
+std::unique_ptr<WebCryptoDigestor> createDigestor(HashAlgorithm algorithm)
 {
-    return adoptPtr(Platform::current()->crypto()->createDigestor(toWebCryptoAlgorithmId(algorithm)));
+    return wrapUnique(Platform::current()->crypto()->createDigestor(toWebCryptoAlgorithmId(algorithm)));
 }
 
 void finishDigestor(WebCryptoDigestor* digestor, DigestValue& digestResult)