[inspector] add async instrumentation for setTimeout in tests

test/inspector/task-runner.h

Index: test/inspector/task-runner.h
diff --git a/test/inspector/task-runner.h b/test/inspector/task-runner.h
index 17385468bed7529b663ed317184e474f352c8a41..c92dc14b4726312dff00a9c309ca6e885e1bd1cd 100644
--- a/test/inspector/task-runner.h
+++ b/test/inspector/task-runner.h
@@ -72,7 +72,7 @@ class ExecuteStringTask : public TaskRunner::Task {
   ExecuteStringTask(const v8::internal::Vector<uint16_t>& expression,
                     v8::Local<v8::String> name,
                     v8::Local<v8::Integer> line_offset,
-                    v8::Local<v8::Integer> column_offset);
+                    v8::Local<v8::Integer> column_offset, bool report_async);
   explicit ExecuteStringTask(
       const v8::internal::Vector<const char>& expression);
   bool is_inspector_task() override { return false; }
@@ -86,6 +86,7 @@ class ExecuteStringTask : public TaskRunner::Task {
   v8::internal::Vector<uint16_t> name_;
   int32_t line_offset_;
   int32_t column_offset_;
+  bool report_async_;
 
   DISALLOW_COPY_AND_ASSIGN(ExecuteStringTask);
 };