DevTools: simplify setScriptSource and restartFrame return values

Source/devtools/front_end/sdk/Script.js

Index: Source/devtools/front_end/sdk/Script.js
diff --git a/Source/devtools/front_end/sdk/Script.js b/Source/devtools/front_end/sdk/Script.js
index 20b889556ba29c1e808d0b9a3fd56b517082897c..ad8ad27f32dd89cc9b9d57f0979f0990aab58e70 100644
--- a/Source/devtools/front_end/sdk/Script.js
+++ b/Source/devtools/front_end/sdk/Script.js
@@ -193,15 +193,14 @@ WebInspector.Script.prototype = {
          * @param {?Protocol.Error} error
          * @param {!DebuggerAgent.SetScriptSourceError=} errorData
          * @param {!Array.<!DebuggerAgent.CallFrame>=} callFrames
-         * @param {!Object=} debugData
+         * @param {boolean=} stackChanged
          * @param {!DebuggerAgent.StackTrace=} asyncStackTrace
          */
-        function didEditScriptSource(error, errorData, callFrames, debugData, asyncStackTrace)
+        function didEditScriptSource(error, errorData, callFrames, stackChanged, asyncStackTrace)
         {
-            // FIXME: support debugData.stack_update_needs_step_in flag by calling WebInspector.debugger_model.callStackModified
             if (!error)
                 this._source = newSource;
-            var needsStepIn = !!debugData && debugData["stack_update_needs_step_in"] === true;
+            var needsStepIn = !!stackChanged;
             callback(error, errorData, callFrames, asyncStackTrace, needsStepIn);
             if (!error)
                 this.dispatchEventToListeners(WebInspector.Script.Events.ScriptEdited, newSource);