Implement ServiceWorker::postMessage() [Blink]

Source/modules/serviceworkers/ServiceWorker.h

Index: Source/modules/serviceworkers/ServiceWorker.h
diff --git a/Source/modules/serviceworkers/ServiceWorker.h b/Source/modules/serviceworkers/ServiceWorker.h
index ff1e849158426d1f5d88fdec02e3e7901bec97d2..d0eeb1060f73db3e0658f25358cc8289d57015f7 100644
--- a/Source/modules/serviceworkers/ServiceWorker.h
+++ b/Source/modules/serviceworkers/ServiceWorker.h
@@ -31,6 +31,7 @@
 #ifndef ServiceWorker_h
 #define ServiceWorker_h
 
+#include "bindings/v8/SerializedScriptValue.h"
 #include "public/platform/WebServiceWorker.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
@@ -59,6 +60,8 @@ public:
 
     ~ServiceWorker() { }
 
+    void postMessage(PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionState&);
+
 private:
     explicit ServiceWorker(PassOwnPtr<blink::WebServiceWorker>);