Pass column as 4th argument to WorkerGlobalScope.onerror handler

Source/core/workers/WorkerReportingProxy.h

Index: Source/core/workers/WorkerReportingProxy.h
diff --git a/Source/core/workers/WorkerReportingProxy.h b/Source/core/workers/WorkerReportingProxy.h
index 7ecc015c23d65d578b1a9dbc73e2927f2b6cad46..a42df140dd092f8910f2559658565b44d188a38e 100644
--- a/Source/core/workers/WorkerReportingProxy.h
+++ b/Source/core/workers/WorkerReportingProxy.h
@@ -41,7 +41,7 @@ namespace WebCore {
     public:
         virtual ~WorkerReportingProxy() {}
 
-        virtual void postExceptionToWorkerObject(const String& errorMessage, int lineNumber, const String& sourceURL) = 0;
+        virtual void postExceptionToWorkerObject(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL) = 0;
 
         virtual void postConsoleMessageToWorkerObject(MessageSource, MessageLevel, const String& message, int lineNumber, const String& sourceURL) = 0;
         virtual void postMessageToPageInspector(const String&) = 0;