1 files changed, 4 insertions, 1 deletions
diff --git a/WebCore/bindings/v8/custom/V8DedicatedWorkerContextCustom.cpp b/WebCore/bindings/v8/custom/V8DedicatedWorkerContextCustom.cpp
index 4486dbe..8fcf9a8 100644
--- a/WebCore/bindings/v8/custom/V8DedicatedWorkerContextCustom.cpp
+++ b/WebCore/bindings/v8/custom/V8DedicatedWorkerContextCustom.cpp
@@ -46,7 +46,10 @@ v8::Handle<v8::Value> V8DedicatedWorkerContext::postMessageCallback(const v8::Ar
 {
     INC_STATS(L"DOM.DedicatedWorkerContext.postMessage");
     DedicatedWorkerContext* workerContext = V8DedicatedWorkerContext::toNative(args.Holder());
-    RefPtr<SerializedScriptValue> message = SerializedScriptValue::create(args[0]);
+    bool didThrow = false;
+    RefPtr<SerializedScriptValue> message = SerializedScriptValue::create(args[0], didThrow);
+    if (didThrow)
+        return v8::Undefined();
     MessagePortArray portArray;
     if (args.Length() > 1) {
         if (!getMessagePortArray(args[1], portArray))