Fix the handling of line offset when getting the source line from a ScriptMirror

src/debug-delay.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 503 matching lines @@
   if (script.type == Debug.ScriptType.Native) {
     throw new Error('Cannot set break point in native code.');
   }
   // If the script for the function has a name convert this to a script break
   // point.
   if (script && script.id) {
     // Adjust the source position to be script relative.
     source_position += %FunctionGetScriptSourcePosition(func);
     // Find line and column for the position in the script and set a script
     // break point from that.
-    var location = script.locationFromPosition(source_position);
+    var location = script.locationFromPosition(source_position, false);
     return this.setScriptBreakPointById(script.id,
                                         location.line, location.column,
                                         opt_condition);
   } else {
     // Set a break point directly on the function.
     var break_point = MakeBreakPoint(source_position, opt_line, opt_column);
     %SetFunctionBreakPoint(func, source_position, break_point);
     break_point.setCondition(opt_condition);
     return break_point.number();
   }
@@ skipping 1272 matching lines @@
       json += NumberToJSON_(elem);
     } else if (IS_STRING(elem)) {
       json += StringToJSON_(elem);
     } else {
       json += elem;
     }
   }
   json += ']';
   return json;
 }