[inspector] introduced Debugger.scheduleStepIntoAsync

src/inspector/js_protocol.json

Index: src/inspector/js_protocol.json
diff --git a/src/inspector/js_protocol.json b/src/inspector/js_protocol.json
index e2d04bfa899253b7221d2d209d2b5ff0138e59ac..08dba59a1defde44cd5dfd9c010e045570fe85cc 100644
--- a/src/inspector/js_protocol.json
+++ b/src/inspector/js_protocol.json
@@ -567,6 +567,11 @@
                 "description": "Stops on the next JavaScript statement."
             },
             {
+                "name": "scheduleStepIntoAsync",
+                "description": "Steps into next scheduled async task if any is scheduled before next pause. Returns success when async task is actually scheduled, returns error if no task were scheduled or another scheduleStepIntoAsync was called.",
+                "experimental": true
+            },
+            {
                 "name": "resume",
                 "description": "Resumes JavaScript execution."
             },