Revert "Remove OwnPtr from Blink."

third_party/WebKit/public/platform/WebCryptoAlgorithm.h

 /*
  * Copyright (C) 2013 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 17 matching lines @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebCryptoAlgorithm_h
 #define WebCryptoAlgorithm_h
 
 #include "WebCommon.h"
 #include "WebPrivatePtr.h"
 
 #if INSIDE_BLINK
-#include <memory>
+#include "wtf/PassOwnPtr.h"
 #endif
 
 namespace blink {
 
 enum WebCryptoOperation {
     WebCryptoOperationEncrypt,
     WebCryptoOperationDecrypt,
     WebCryptoOperationSign,
     WebCryptoOperationVerify,
     WebCryptoOperationDigest,
@@ skipping 97 matching lines @@
 //   * Immutable
 //   * Threadsafe
 //   * Copiable (cheaply)
 //
 // If WebCryptoAlgorithm "isNull()" then it is invalid to call any of the other
 // methods on it (other than destruction, assignment, or isNull()).
 class WebCryptoAlgorithm {
 public:
 #if INSIDE_BLINK
     WebCryptoAlgorithm() { }
-    BLINK_PLATFORM_EXPORT WebCryptoAlgorithm(WebCryptoAlgorithmId, std::unique_ptr<WebCryptoAlgorithmParams>);
+    BLINK_PLATFORM_EXPORT WebCryptoAlgorithm(WebCryptoAlgorithmId, PassOwnPtr<WebCryptoAlgorithmParams>);
 #endif
 
     BLINK_PLATFORM_EXPORT static WebCryptoAlgorithm createNull();
     BLINK_PLATFORM_EXPORT static WebCryptoAlgorithm adoptParamsAndCreate(WebCryptoAlgorithmId, WebCryptoAlgorithmParams*);
 
     // Returns a WebCryptoAlgorithmInfo for the algorithm with the given ID. If
     // the ID is invalid, return 0. The caller can assume the pointer will be
     // valid for the program's entire runtime.
     BLINK_PLATFORM_EXPORT static const WebCryptoAlgorithmInfo* lookupAlgorithmInfo(WebCryptoAlgorithmId);
 
@@ skipping 40 matching lines @@
 private:
     BLINK_PLATFORM_EXPORT void assign(const WebCryptoAlgorithm& other);
     BLINK_PLATFORM_EXPORT void reset();
 
     WebPrivatePtr<WebCryptoAlgorithmPrivate> m_private;
 };
 
 } // namespace blink
 
 #endif