[inspector] introduced Debugger.scheduleStepIntoAsync

src/inspector/v8-debugger-agent-impl.cc

Index: src/inspector/v8-debugger-agent-impl.cc
diff --git a/src/inspector/v8-debugger-agent-impl.cc b/src/inspector/v8-debugger-agent-impl.cc
index 00fcd87203fa12ab4f3b8a6f350761dac5b3b3e9..b326fd11676fa8664acb211985a147ab6e0c39ea 100644
--- a/src/inspector/v8-debugger-agent-impl.cc
+++ b/src/inspector/v8-debugger-agent-impl.cc
@@ -751,6 +751,29 @@ Response V8DebuggerAgentImpl::stepOut() {
   return Response::OK();
 }
 
+void V8DebuggerAgentImpl::scheduleStepIntoAsync(
+    std::unique_ptr<ScheduleStepIntoAsyncCallback> callback) {
+  if (!isPaused()) {
+    callback->sendFailure(Response::Error(kDebuggerNotPaused));
+    return;
+  }
+  if (m_stepIntoAsyncCallback) {
+    m_stepIntoAsyncCallback->sendFailure(Response::Error(
+        "Current scheduled step into async was overriden with new one."));
+  }
+  m_stepIntoAsyncCallback = std::move(callback);
+  return;

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

return;
return;

just to be sure ;-)

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

Done.

+}
+
+void V8DebuggerAgentImpl::stepIntoAsyncWasScheduled() {
+  DCHECK(m_stepIntoAsyncCallback);
+  m_stepIntoAsyncCallback->sendSuccess();
+  m_stepIntoAsyncCallback.reset();
+
+  m_scheduledDebuggerStep = NoStep;
+  v8::debug::ClearStepping(m_isolate);
+}
+
 Response V8DebuggerAgentImpl::setPauseOnExceptions(
     const String16& stringPauseState) {
   if (!enabled()) return Response::Error(kDebuggerNotEnabled);
@@ -1241,6 +1264,12 @@ void V8DebuggerAgentImpl::didPause(int contextId,
     breakAuxData->setArray("reasons", std::move(reasons));
   }
 
+  if (m_stepIntoAsyncCallback) {
+    m_stepIntoAsyncCallback->sendFailure(
+        Response::Error("No async task was scheduled."));
+    m_stepIntoAsyncCallback.reset();
+  }
+
   std::unique_ptr<Array<CallFrame>> protocolCallFrames;
   Response response = currentCallFrames(&protocolCallFrames);
   if (!response.isSuccess()) protocolCallFrames = Array<CallFrame>::create();