Amusingly deprecate the generic version of 'ExceptionState::throwDOMException'.

Source/core/dom/MessagePort.cpp

Index: Source/core/dom/MessagePort.cpp
diff --git a/Source/core/dom/MessagePort.cpp b/Source/core/dom/MessagePort.cpp
index 17d6086d11c68f3dfbe1025556fedfdb287e5e33..b626623c78a2ad6c7f0dfd2cd462a13ee1b3e774 100644
--- a/Source/core/dom/MessagePort.cpp
+++ b/Source/core/dom/MessagePort.cpp
@@ -69,7 +69,7 @@ void MessagePort::postMessage(PassRefPtr<SerializedScriptValue> message, const M
         for (unsigned int i = 0; i < ports->size(); ++i) {
             MessagePort* dataPort = (*ports)[i].get();
             if (dataPort == this || m_entangledChannel->isConnectedTo(dataPort)) {
-                es.throwDOMException(DataCloneError);
+                es.throwUninformativeAndGenericDOMException(DataCloneError);
                 return;
             }
         }
@@ -202,7 +202,7 @@ PassOwnPtr<MessagePortChannelArray> MessagePort::disentanglePorts(const MessageP
     for (unsigned int i = 0; i < ports->size(); ++i) {
         MessagePort* port = (*ports)[i].get();
         if (!port || port->isNeutered() || portSet.contains(port)) {
-            es.throwDOMException(DataCloneError);
+            es.throwUninformativeAndGenericDOMException(DataCloneError);
             return nullptr;
         }
         portSet.add(port);