[debug] remove StepFrame

src/debug/debug.js

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 (function (global, utils) {
 "use strict";
 
 // ----------------------------------------------------------------------------
 // Imports
 
@@ skipping 33 matching lines @@
                      CompileError: 4,
                      AsyncTaskEvent: 5 };
 
 // Types of exceptions that can be broken upon.
 Debug.ExceptionBreak = { Caught : 0,
                          Uncaught: 1 };
 
 // The different types of steps.
 Debug.StepAction = { StepOut: 0,
                      StepNext: 1,
-                     StepIn: 2,
-                     StepFrame: 3 };
+                     StepIn: 2 };
 
 // The different types of scripts matching enum ScriptType in objects.h.
 Debug.ScriptType = { Native: 0,
                      Extension: 1,
                      Normal: 2,
                      Wasm: 3};
 
 // The different types of script compilations matching enum
 // Script::CompilationType in objects.h.
 Debug.ScriptCompilationType = { Host: 0,
@@ skipping 755 matching lines @@
 }
 
 function ExecutionState(break_id) {
   this.break_id = break_id;
   this.selected_frame = 0;
 }
 
 ExecutionState.prototype.prepareStep = function(action) {
   if (action === Debug.StepAction.StepIn ||
       action === Debug.StepAction.StepOut ||
-      action === Debug.StepAction.StepNext ||
-      action === Debug.StepAction.StepFrame) {
+      action === Debug.StepAction.StepNext) {
     return %PrepareStep(this.break_id, action);
   }
   throw %make_type_error(kDebuggerType);
 };
 
 ExecutionState.prototype.evaluateGlobal = function(source) {
   return MakeMirror(%DebugEvaluateGlobal(this.break_id, source));
 };
 
 ExecutionState.prototype.frameCount = function() {
@@ skipping 187 matching lines @@
 utils.InstallFunctions(utils, DONT_ENUM, [
   "MakeExecutionState", MakeExecutionState,
   "MakeExceptionEvent", MakeExceptionEvent,
   "MakeBreakEvent", MakeBreakEvent,
   "MakeCompileEvent", MakeCompileEvent,
   "MakeAsyncTaskEvent", MakeAsyncTaskEvent,
   "IsBreakPointTriggered", IsBreakPointTriggered,
 ]);
 
 })