Pass column as 4th argument to WorkerGlobalScope.onerror handler

Source/core/dom/ErrorEvent.h

Index: Source/core/dom/ErrorEvent.h
diff --git a/Source/core/dom/ErrorEvent.h b/Source/core/dom/ErrorEvent.h
index 0c2a4532eee1176ed548a1fb98be32c307e68496..1e57e25c112a6c213e1811a677d8b9d6250aefd2 100644
--- a/Source/core/dom/ErrorEvent.h
+++ b/Source/core/dom/ErrorEvent.h
@@ -42,6 +42,7 @@ struct ErrorEventInit : public EventInit {
     String message;
     String filename;
     unsigned lineno;
+    unsigned column;
 };
 
 class ErrorEvent : public Event {
@@ -50,9 +51,9 @@ public:
     {
         return adoptRef(new ErrorEvent);
     }
-    static PassRefPtr<ErrorEvent> create(const String& message, const String& fileName, unsigned lineNumber)
+    static PassRefPtr<ErrorEvent> create(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber)
     {
-        return adoptRef(new ErrorEvent(message, fileName, lineNumber));
+        return adoptRef(new ErrorEvent(message, fileName, lineNumber, columnNumber));
     }
     static PassRefPtr<ErrorEvent> create(const AtomicString& type, const ErrorEventInit& initializer)
     {
@@ -63,17 +64,19 @@ public:
     const String& message() const { return m_message; }
     const String& filename() const { return m_fileName; }
     unsigned lineno() const { return m_lineNumber; }
+    unsigned column() const { return m_columnNumber; }
 
     virtual const AtomicString& interfaceName() const;
 
 private:
     ErrorEvent();
-    ErrorEvent(const String& message, const String& fileName, unsigned lineNumber);
+    ErrorEvent(const String& message, const String& fileName, unsigned lineNumber, unsigned columnNumber);
     ErrorEvent(const AtomicString&, const ErrorEventInit&);
 
     String m_message;
     String m_fileName;
     unsigned m_lineNumber;
+    unsigned m_columnNumber;
 };
 
 } // namespace WebCore