DevTools: simplify setScriptSource and restartFrame return values

Source/core/inspector/DebuggerScript.js

 /*
  * Copyright (C) 2010 Google Inc. 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
@@ skipping 277 matching lines @@
             scriptToEdit = scripts[i];
             break;
         }
     }
     if (!scriptToEdit)
         throw("Script not found");
 
     var changeLog = [];
     try {
         var result = Debug.LiveEdit.SetScriptSource(scriptToEdit, newSource, preview, changeLog);
-        return [0, result];
+        return [0, result.stack_modified];
     } catch (e) {
         if (e instanceof Debug.LiveEdit.Failure && "details" in e) {
             var details = e.details;
             if (details.type === "liveedit_compile_error") {
                 var startPosition = details.position.start;
                 return [1, String(e), String(details.syntaxErrorMessage), Number(startPosition.line), Number(startPosition.column)];
             }
         }
         throw e;
     }
@@ skipping 174 matching lines @@
         return location ? location.column : 0;
     }
 
     function evaluate(expression, scopeExtension)
     {
         return frameMirror.evaluate(expression, false, scopeExtension).value();
     }
 
     function restart()
     {
-        return Debug.LiveEdit.RestartFrame(frameMirror);
+        return frameMirror.restart();
     }
 
     function setVariableValue(scopeNumber, variableName, newValue)
     {
         return DebuggerScript._setScopeVariableValue(frameMirror, scopeNumber, variableName, newValue);
     }
 
     function stepInPositions()
     {
         var stepInPositionsV8 = frameMirror.stepInPositions();
@@ skipping 78 matching lines @@
         "parentPromise": eventData.parentPromise().value(),
         "status": eventData.status()
     };
 }
 
 // We never resolve Mirror by its handle so to avoid memory leaks caused by Mirrors in the cache we disable it.
 ToggleMirrorCache(false);
 
 return DebuggerScript;
 })();