Remove nsBaseWidget::SetModal.

widget/src/xpwidgets/nsBaseWidget.cpp

@@ -837,9 +837,3 @@ NS_METHOD nsBaseWidget::EnableFileDrop(PRBool aEnable)
   return NS_OK;
 }
 
-NS_METHOD nsBaseWidget::SetModal(void)
-{
-  return NS_ERROR_FAILURE;
-}
-
-

widget/src/xpwidgets/nsBaseWidget.h

@@ -72,7 +72,6 @@ public:
     virtual nsIDeviceContext* GetDeviceContext();
     virtual nsIAppShell *   GetAppShell();
     virtual nsIToolkit*     GetToolkit();  
-    NS_IMETHOD              SetModal(void); 
     NS_IMETHOD              SetBorderStyle(nsBorderStyle aBorderStyle); 
     NS_IMETHOD              SetTitle(const nsString& aTitle); 
     NS_IMETHOD              SetTooltips(PRUint32 aNumberOfTips,nsRect* aTooltipAreas[]);