Remove SerializedScriptValue::serialize and ScriptValueSerializer::serializeWTFString.

third_party/WebKit/Source/modules/eventsource/EventSource.cpp

 /*
  * Copyright (C) 2009, 2012 Ericsson AB. All rights reserved.
  * Copyright (C) 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2011, Code Aurora Forum. 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
@@ skipping 332 matching lines @@
 void EventSource::didFailRedirectCheck() {
   DCHECK(m_loader);
 
   abortConnectionAttempt();
 }
 
 void EventSource::onMessageEvent(const AtomicString& eventType,
                                  const String& data,
                                  const AtomicString& lastEventId) {
   MessageEvent* e = MessageEvent::create();
-  e->initMessageEvent(eventType, false, false,
-                      SerializedScriptValue::serialize(data),
-                      m_eventStreamOrigin, lastEventId, 0, nullptr);
+  e->initMessageEvent(eventType, false, false, data, m_eventStreamOrigin,
+                      lastEventId, 0, nullptr);
 
   InspectorInstrumentation::willDispatchEventSourceEvent(
       getExecutionContext(), this, eventType, lastEventId, data);
   dispatchEvent(e);
 }
 
 void EventSource::onReconnectionTimeSet(unsigned long long reconnectionTime) {
   m_reconnectDelay = reconnectionTime;
 }
 
@@ skipping 18 matching lines @@
 
 DEFINE_TRACE(EventSource) {
   visitor->trace(m_parser);
   visitor->trace(m_loader);
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
   EventSourceParser::Client::trace(visitor);
 }
 
 }  // namespace blink