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

third_party/WebKit/public/platform/WebCallbacks.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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebCallbacks_h
 #define WebCallbacks_h
 
-#include "public/platform/WebPassOwnPtr.h"
-
 namespace blink {
 
 // A WebCallbacks<S, T> represents a callback object. Typically it is created
 // in Blink and passed to Chromium, and onSuccess or onError will be called
 // from Chromium.
 // When transferring ownership, use |WebPrivatePassOwnPtr<X>| as a type

[kinuko, 2016/04/07 00:36:45]

nit: WebPrivatePassOwnPtr<X> -> unique_ptr<X>

[dcheng, 2016/04/07 00:58:45]

Done, thanks.

 // parameter. Otherwise, |const X&| or |X| for a type parameter. It is
 // generally not preferred to use |X*| because the object ownership is not well
 // specified.
 
 template<typename S, typename T>
 class WebCallbacks {
 public:
     virtual ~WebCallbacks() {}
     virtual void onSuccess(S) {}
     virtual void onError(T) {}
@@ skipping 19 matching lines @@
 class WebCallbacks<void, void> {
 public:
     virtual ~WebCallbacks() {}
     virtual void onSuccess() {}
     virtual void onError() {}
 };
 
 } // namespace blink
 
 #endif