Replaced PassRefPtr copies with moves in Source/core.

third_party/WebKit/Source/core/frame/History.cpp

 /*
  * Copyright (C) 2007 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 196 matching lines @@
     if (!m_frame || !m_frame->page() || !m_frame->loader().documentLoader())
         return;
 
     KURL fullURL = urlForState(urlString);
     if (!canChangeToUrl(fullURL, m_frame->document()->getSecurityOrigin(), m_frame->document()->url())) {
         // We can safely expose the URL to JavaScript, as a) no redirection takes place: JavaScript already had this URL, b) JavaScript can only access a same-origin History object.
         exceptionState.throwSecurityError("A history state object with URL '" + fullURL.elidedString() + "' cannot be created in a document with origin '" + m_frame->document()->getSecurityOrigin()->toString() + "' and URL '" + m_frame->document()->url().elidedString() + "'.");
         return;
     }
 
-    m_frame->loader().updateForSameDocumentNavigation(fullURL, SameDocumentNavigationHistoryApi, data, restorationType, type, m_frame->document());
+    m_frame->loader().updateForSameDocumentNavigation(fullURL, SameDocumentNavigationHistoryApi, std::move(data), restorationType, type, m_frame->document());
 }
 
 } // namespace blink