Revert of [blink] Unique pointers in Platform.h

third_party/WebKit/Source/platform/speech/PlatformSpeechSynthesizer.cpp

 /*
  * Copyright (C) 2013 Apple Computer, 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 30 matching lines @@
       new PlatformSpeechSynthesizer(client);
   synthesizer->InitializeVoiceList();
   return synthesizer;
 }
 
 PlatformSpeechSynthesizer::PlatformSpeechSynthesizer(
     PlatformSpeechSynthesizerClient* client)
     : speech_synthesizer_client_(client) {
   web_speech_synthesizer_client_ =
       new WebSpeechSynthesizerClientImpl(this, client);
-  web_speech_synthesizer_ = Platform::Current()->CreateSpeechSynthesizer(
-      web_speech_synthesizer_client_);
+  web_speech_synthesizer_ =
+      WTF::WrapUnique(Platform::Current()->CreateSpeechSynthesizer(
+          web_speech_synthesizer_client_));
 }
 
 PlatformSpeechSynthesizer::~PlatformSpeechSynthesizer() {}
 
 void PlatformSpeechSynthesizer::Speak(
     PlatformSpeechSynthesisUtterance* utterance) {
   if (web_speech_synthesizer_ && web_speech_synthesizer_client_)
     web_speech_synthesizer_->Speak(WebSpeechSynthesisUtterance(utterance));
 }
 
@@ skipping 21 matching lines @@
   if (web_speech_synthesizer_)
     web_speech_synthesizer_->UpdateVoiceList();
 }
 
 DEFINE_TRACE(PlatformSpeechSynthesizer) {
   visitor->Trace(speech_synthesizer_client_);
   visitor->Trace(web_speech_synthesizer_client_);
 }
 
 }  // namespace blink