fix for setcapture. passes events to the nsHTMLFrame's areaframe when events are trapped to a given frame's view.

layout/generic/nsBlockReflowState.cpp

@@ -6170,7 +6170,7 @@ nsBlockFrame::HandleEvent(nsIPresContext* aPresContext,
     else
       return NS_OK; //just stop it
   }
-  return NS_OK;
+  return nsFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
 }