Remove SerializedScriptValue::serialize and ScriptValueSerializer::serializeWTFString.

third_party/WebKit/Source/core/events/MessageEvent.h

Index: third_party/WebKit/Source/core/events/MessageEvent.h
diff --git a/third_party/WebKit/Source/core/events/MessageEvent.h b/third_party/WebKit/Source/core/events/MessageEvent.h
index de9700cad4736d7469e5329e054ad8e88cbec5e2..f497a4840375e384cdc10206de70758d2fe39dc5 100644
--- a/third_party/WebKit/Source/core/events/MessageEvent.h
+++ b/third_party/WebKit/Source/core/events/MessageEvent.h
@@ -108,6 +108,14 @@ class CORE_EXPORT MessageEvent final : public Event {
                         const String& lastEventId,
                         EventTarget* source,
                         MessagePortArray*);
+  void initMessageEvent(const AtomicString& type,
+                        bool canBubble,
+                        bool cancelable,
+                        const String& data,
+                        const String& origin,
+                        const String& lastEventId,
+                        EventTarget* source,
+                        MessagePortArray*);
 
   const String& origin() const { return m_origin; }
   const String& suborigin() const { return m_suborigin; }