[inspector] introduced Debugger.scheduleStepIntoAsync

src/inspector/js_protocol.json

 {
     "version": { "major": "1", "minor": "2" },
     "domains": [
     {
         "domain": "Schema",
         "description": "Provides information about the protocol schema.",
         "types": [
             {
                 "id": "Domain",
                 "type": "object",
@@ skipping 558 matching lines @@
             },
             {
                 "name": "stepOut",
                 "description": "Steps out of the function call."
             },
             {
                 "name": "pause",
                 "description": "Stops on the next JavaScript statement."
             },
             {
+                "name": "scheduleStepIntoAsync",
+                "description": "Steps into next scheduled async task if any is scheduled before next pause.",

[dgozman, 2017/03/01 23:03:57]

Let's describe when this one returns.

[kozy, 2017/03/02 00:53:03]

Done.

+                "experimental": true
+            },
+            {
                 "name": "resume",
                 "description": "Resumes JavaScript execution."
             },
             {
                 "name": "searchInContent",
                 "parameters": [
                     { "name": "scriptId", "$ref": "Runtime.ScriptId", "description": "Id of the script to search in." },
                     { "name": "query", "type": "string", "description": "String to search for."  },
                     { "name": "caseSensitive", "type": "boolean", "optional": true, "description": "If true, search is case sensitive." },
                     { "name": "isRegex", "type": "boolean", "optional": true, "description": "If true, treats string parameter as regex." }
@@ skipping 475 matching lines @@
             {
                 "name": "heapStatsUpdate",
                 "description": "If heap objects tracking has been started then backend may send update for one or more fragments",
                 "parameters": [
                     { "name": "statsUpdate", "type": "array", "items": { "type": "integer" }, "description": "An array of triplets. Each triplet describes a fragment. The first integer is the fragment index, the second integer is a total count of objects for the fragment, the third integer is a total size of the objects for the fragment."}
                 ]
             }
         ]
     }]
 }