Pass column as 4th argument to WorkerGlobalScope.onerror handler

Source/web/WebSharedWorkerImpl.cpp

 /*
  * Copyright (C) 2009 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 163 matching lines @@
     for (size_t i = 0; i < webChannels.size(); ++i) {
         webChannels[i] = (*channels)[i]->channel()->webChannelRelease();
         webChannels[i]->setClient(0);
     }
 
     thisPtr->client()->postMessageToWorkerObject(message, webChannels);
 }
 
 void WebSharedWorkerImpl::postExceptionToWorkerObject(const String& errorMessage,
                                                       int lineNumber,
+                                                      int columnNumber,
                                                       const String& sourceURL)
 {
     WebWorkerBase::dispatchTaskToMainThread(
         createCallbackTask(&postExceptionTask, AllowCrossThreadAccess(this),
                            errorMessage, lineNumber,
                            sourceURL));
 }
 
 void WebSharedWorkerImpl::postExceptionTask(ScriptExecutionContext* context,
                                             WebSharedWorkerImpl* thisPtr,
@@ skipping 248 matching lines @@
     workerThread()->runLoop().postTaskForMode(createCallbackTask(dispatchOnInspectorBackendTask, String(message)), WorkerDebuggerAgent::debuggerTaskMode);
     WorkerDebuggerAgent::interruptAndDispatchInspectorCommands(workerThread());
 }
 
 WebSharedWorker* WebSharedWorker::create(WebSharedWorkerClient* client)
 {
     return new WebSharedWorkerImpl(client);
 }
 
 } // namespace WebKit