Change the return type of WTF::bind() to |OwnPtr<Function>|

Source/platform/PermissionCallbacks.cpp

 /*
  * Copyright (C) 2014 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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 
 #include "platform/PermissionCallbacks.h"
 
 namespace blink {
 
-PassOwnPtr<PermissionCallbacks> PermissionCallbacks::create(const Closure& allowed, const Closure& denied)
+PassOwnPtr<PermissionCallbacks> PermissionCallbacks::create(PassOwnPtr<Closure> allowed, PassOwnPtr<Closure> denied)
 {
     return adoptPtr(new PermissionCallbacks(allowed, denied));
 }
 
-PermissionCallbacks::PermissionCallbacks(const Closure& allowed, const Closure& denied)
+PermissionCallbacks::PermissionCallbacks(PassOwnPtr<Closure> allowed, PassOwnPtr<Closure> denied)
     : m_allowed(allowed)
     , m_denied(denied)
 {
 }
 
 } // namespace blink