Replaced PassRefPtr copites with moves in Source/modules.

third_party/WebKit/Source/modules/speech/SpeechSynthesisVoice.cpp

 /*
  * Copyright (C) 2013 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 11 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 "modules/speech/SpeechSynthesisVoice.h"
 
 namespace blink {
 
 SpeechSynthesisVoice* SpeechSynthesisVoice::create(PassRefPtr<PlatformSpeechSynthesisVoice> voice)
 {
-    return new SpeechSynthesisVoice(voice);
+    return new SpeechSynthesisVoice(std::move(voice));
 }
 
 SpeechSynthesisVoice::SpeechSynthesisVoice(PassRefPtr<PlatformSpeechSynthesisVoice> voice)
     : m_platformVoice(voice)
 {
 }
 
 SpeechSynthesisVoice::~SpeechSynthesisVoice()
 {
 }
 
 } // namespace blink