Nuke WebPassOwnPtr<T> and replace it with std::unique_ptr<T>.

third_party/WebKit/public/platform/WebCredentialManagerClient.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef WebCredentialManagerClient_h
 #define WebCredentialManagerClient_h
 
 #include "public/platform/WebCallbacks.h"
 #include "public/platform/WebCredentialManagerError.h"
-#include "public/platform/WebPassOwnPtr.h"
 #include "public/platform/WebVector.h"
 
+#include <memory>
+
 namespace blink {
 
 class WebCredential;
 class WebURL;
 
 // WebCredentialManagerClient is an interface which allows an embedder to
 // implement 'navigator.credential.*' calls which are defined in the
 // 'credentialmanager' module.
 class WebCredentialManagerClient {
 public:
-    typedef WebCallbacks<WebPassOwnPtr<WebCredential>, WebCredentialManagerError> RequestCallbacks;
+    typedef WebCallbacks<std::unique_ptr<WebCredential>, WebCredentialManagerError> RequestCallbacks;
     typedef WebCallbacks<void, WebCredentialManagerError> NotificationCallbacks;
 
     // Ownership of the callback is transferred to the callee for each of
     // the following methods.
     virtual void dispatchFailedSignIn(const WebCredential&, NotificationCallbacks*) { }
     virtual void dispatchStore(const WebCredential&, NotificationCallbacks*) { }
     virtual void dispatchRequireUserMediation(NotificationCallbacks*) { }
     virtual void dispatchGet(bool zeroClickOnly, bool includePasswords, const WebVector<WebURL>& federations, RequestCallbacks*) {}
 };
 
 } // namespace blink
 
 #endif // WebCredentialManager_h