[debug-wrapper] Implement StepFrame through runtime

test/debugger/test-api.js

Index: test/debugger/test-api.js
diff --git a/test/debugger/test-api.js b/test/debugger/test-api.js
index a9bcaf213af25d3147b463cf381741365f5fc7ca..f2d20d082f71ff932cbd58c4cab4642b8f46a1b0 100644
--- a/test/debugger/test-api.js
+++ b/test/debugger/test-api.js
@@ -377,6 +377,7 @@ class DebugWrapper {
       case this.StepAction.StepOut: this.stepOut(); break;
       case this.StepAction.StepNext: this.stepOver(); break;
       case this.StepAction.StepIn: this.stepInto(); break;
+      case this.StepAction.StepFrame: %PrepareStepFrame(); break;
       default: %AbortJS("Unsupported StepAction"); break;
     }
   }