[inspector] async stacks for Promise.then calls...

src/debug/interface-types.h

 // Copyright 2016 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_DEBUG_INTERFACE_TYPES_H_
 #define V8_DEBUG_INTERFACE_TYPES_H_
 
 #include <cstdint>
 #include <string>
 #include <vector>
@@ skipping 41 matching lines @@
   using OffsetTable = std::vector<WasmDisassemblyOffsetTableEntry>;
   WasmDisassembly() {}
   WasmDisassembly(std::string disassembly, OffsetTable offset_table)
       : disassembly(std::move(disassembly)),
         offset_table(std::move(offset_table)) {}
 
   std::string disassembly;
   OffsetTable offset_table;
 };
 
+enum PromiseDebugActionType {
+  kDebugEnqueueRecurring,
+  kDebugCancel,
+  kDebugWillHandle,
+  kDebugDidHandle,
+};
+
 }  // namespace debug
 }  // namespace v8
 
 #endif  // V8_DEBUG_INTERFACE_TYPES_H_