Revert of [debugger] Migrate more debugger tests to inspector

test/mjsunit/regress/regress-crbug-568477-4.js

+// Copyright 2015 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.
+
+// Flags: --expose-debug-as debug --allow-natives-syntax
+
+var Debug = debug.Debug;
+var expected =
+    ["debugger;", "var x = y;", "var b = 2;", "Debug.setListener(null);"];
+var log = [];
+
+function listener(event, exec_state, event_data, data) {
+  if (event != Debug.DebugEvent.Break) return;
+  try {
+    log.push(exec_state.frame(0).sourceLineText().trimLeft());
+    exec_state.prepareStep(Debug.StepAction.StepNext);
+  } catch (e) {
+    %AbortJS(e + "\n" + e.stack);
+  }
+}
+
+Debug.setListener(listener);
+
+function f() {
+  var a = 1;
+  debugger;
+  var x = y;
+  print(x);
+}
+
+try {
+  %Call(f, {});
+} catch (e) {
+  var b = 2;
+}
+
+Debug.setListener(null);
+
+assertEquals(expected, log);