Remove postMessage, MessageChannel and MessagePort.

sky/engine/bindings/templates/methods.cpp

Index: sky/engine/bindings/templates/methods.cpp
diff --git a/sky/engine/bindings/templates/methods.cpp b/sky/engine/bindings/templates/methods.cpp
index c244456ed125fde3d3ee7d8c0ecc36ee73750063..3c925f131b75bf27bbc80a1e8c6c8f2397cdd040 100644
--- a/sky/engine/bindings/templates/methods.cpp
+++ b/sky/engine/bindings/templates/methods.cpp
@@ -175,7 +175,7 @@ if (!std::isnan({{argument.name}}NativeValue))
        IDL integer types have same internal C++ type (int or unsigned) #}
     {{argument.name}} = clampTo<{{argument.idl_type}}>({{argument.name}}NativeValue);
 {% elif argument.idl_type == 'SerializedScriptValue' %}
-{{argument.name}} = SerializedScriptValue::create(info[{{argument.index}}], 0, 0, exceptionState, info.GetIsolate());
+{{argument.name}} = SerializedScriptValue::create(info[{{argument.index}}], 0, exceptionState, info.GetIsolate());
 if (exceptionState.hadException()) {
     {{throw_from_exception_state(method)}};
     return;