Pass column as 4th argument to WorkerGlobalScope.onerror handler

Source/core/workers/WorkerMessagingProxy.h

Index: Source/core/workers/WorkerMessagingProxy.h
diff --git a/Source/core/workers/WorkerMessagingProxy.h b/Source/core/workers/WorkerMessagingProxy.h
index 3a126041158b07a27ce9611cc56e1d98a80fd167..4f717cca66ede638b94cda5dbcfe731aec2fb6db 100644
--- a/Source/core/workers/WorkerMessagingProxy.h
+++ b/Source/core/workers/WorkerMessagingProxy.h
@@ -63,7 +63,7 @@ namespace WebCore {
         // Implementations of WorkerObjectProxy.
         // (Only use these methods in the worker context thread.)
         virtual void postMessageToWorkerObject(PassRefPtr<SerializedScriptValue>, PassOwnPtr<MessagePortChannelArray>) OVERRIDE;
-        virtual void postExceptionToWorkerObject(const String& errorMessage, int lineNumber, const String& sourceURL) OVERRIDE;
+        virtual void postExceptionToWorkerObject(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL) OVERRIDE;
         virtual void postConsoleMessageToWorkerObject(MessageSource, MessageLevel, const String& message, int lineNumber, const String& sourceURL) OVERRIDE;
         virtual void postMessageToPageInspector(const String&) OVERRIDE;
         virtual void updateInspectorStateCookie(const String&) OVERRIDE;