Rewrite references to "wtf/" to "platform/wtf/" in modules.

third_party/WebKit/Source/modules/peerconnection/RTCCertificate.cpp

 /*
  * Copyright (C) 2015 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:
  *
  * 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
@@ skipping 12 matching lines @@
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * 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.
  */
 
 #include "modules/peerconnection/RTCCertificate.h"
 
-#include "wtf/PtrUtil.h"
+#include "platform/wtf/PtrUtil.h"
 
 namespace blink {
 
 RTCCertificate::RTCCertificate(std::unique_ptr<WebRTCCertificate> certificate)
     : certificate_(WTF::WrapUnique(certificate.release())) {}
 
 std::unique_ptr<WebRTCCertificate> RTCCertificate::CertificateShallowCopy()
     const {
   return certificate_->ShallowCopy();
 }
 
 DOMTimeStamp RTCCertificate::expires() const {
   return static_cast<DOMTimeStamp>(certificate_->Expires());
 }
 
 }  // namespace blink