Prepare for move-only PassOwnPtr in the remaining directories.

third_party/WebKit/Source/web/LocalFileSystemClient.cpp

 /*
  * 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 59 matching lines @@
         NOTREACHED();
         return;
     }
 
     Document* document = toDocument(context);
     WebLocalFrameImpl* webFrame = WebLocalFrameImpl::fromFrame(document->frame());
     if (!webFrame->contentSettingsClient()) {
         callbacks->onAllowed();
         return;
     }
-    webFrame->contentSettingsClient()->requestFileSystemAccessAsync(callbacks);
+    webFrame->contentSettingsClient()->requestFileSystemAccessAsync(std::move(callbacks));
 }
 
 LocalFileSystemClient::LocalFileSystemClient()
 {
 }
 
 } // namespace blink