Replaced PassRefPtr copies with moves in Source/core.

third_party/WebKit/Source/core/loader/PingLoader.cpp

 /*
  * Copyright (C) 2010 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 453 matching lines @@
         request.setHTTPHeaderField(HTTPNames::Ping_From, AtomicString(frame->document()->url().getString()));
 
     sendPingCommon(frame, request, FetchInitiatorTypeNames::ping, AllowStoredCredentials, false);
 }
 
 void PingLoader::sendViolationReport(LocalFrame* frame, const KURL& reportURL, PassRefPtr<EncodedFormData> report, ViolationReportType type)
 {
     ResourceRequest request(reportURL);
     request.setHTTPMethod(HTTPNames::POST);
     request.setHTTPContentType(type == ContentSecurityPolicyViolationReport ? "application/csp-report" : "application/json");
-    request.setHTTPBody(report);
+    request.setHTTPBody(std::move(report));
     finishPingRequestInitialization(request, frame, WebURLRequest::RequestContextPing);
 
     StoredCredentials credentialsAllowed = SecurityOrigin::create(reportURL)->isSameSchemeHostPort(frame->document()->getSecurityOrigin()) ? AllowStoredCredentials : DoNotAllowStoredCredentials;
     sendPingCommon(frame, request, FetchInitiatorTypeNames::violationreport, credentialsAllowed, false);
 }
 
 bool PingLoader::sendBeacon(LocalFrame* frame, int allowance, const KURL& beaconURL, const String& data, int& payloadLength)
 {
     BeaconString beacon(data);
     return sendBeaconCommon(frame, allowance, beaconURL, beacon, payloadLength);
@@ skipping 11 matching lines @@
     return sendBeaconCommon(frame, allowance, beaconURL, beacon, payloadLength);
 }
 
 bool PingLoader::sendBeacon(LocalFrame* frame, int allowance, const KURL& beaconURL, Blob* data, int& payloadLength)
 {
     BeaconBlob beacon(data);
     return sendBeaconCommon(frame, allowance, beaconURL, beacon, payloadLength);
 }
 
 } // namespace blink