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

Source/core/dom/MessagePort.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 51 matching lines @@
     if (!isEntangled())
         return;
     ASSERT(m_scriptExecutionContext);
 
     OwnPtr<MessagePortChannelArray> channels;
     // Make sure we aren't connected to any of the passed-in ports.
     if (ports) {
         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;
             }
         }
         channels = MessagePort::disentanglePorts(ports, es);
         if (es.hadException())
             return;
     }
     m_entangledChannel->postMessageToRemote(message, channels.release());
 }
 
@@ skipping 112 matching lines @@
     if (!ports || !ports->size())
         return nullptr;
 
     // HashSet used to efficiently check for duplicates in the passed-in array.
     HashSet<MessagePort*> portSet;
 
     // Walk the incoming array - if there are any duplicate ports, or null ports or cloned ports, throw an error (per section 8.3.3 of the HTML5 spec).
     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);
     }
 
     // Passed-in ports passed validity checks, so we can disentangle them.
     OwnPtr<MessagePortChannelArray> portArray = adoptPtr(new MessagePortChannelArray(ports->size()));
     for (unsigned int i = 0 ; i < ports->size() ; ++i) {
         OwnPtr<MessagePortChannel> channel = (*ports)[i]->disentangle();
         (*portArray)[i] = channel.release();
@@ skipping 19 matching lines @@
 {
     return &m_eventTargetData;
 }
 
 EventTargetData* MessagePort::ensureEventTargetData()
 {
     return &m_eventTargetData;
 }
 
 } // namespace WebCore