[inspector] introduced stepIntoAsync for chained callbacks

src/debug/debug.h

 // Copyright 2012 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_DEBUG_H_
 #define V8_DEBUG_DEBUG_H_
 
 #include "src/allocation.h"
 #include "src/assembler.h"
 #include "src/base/atomicops.h"
@@ skipping 332 matching lines @@
 
   // Check whether a global object is the debug global object.
   bool IsDebugGlobal(JSGlobalObject* global);
 
   // Check whether this frame is just about to return.
   bool IsBreakAtReturn(JavaScriptFrame* frame);
 
   // Support for LiveEdit
   void ScheduleFrameRestart(StackFrame* frame);
 
-  bool IsFrameBlackboxed(JavaScriptFrame* frame);
+  bool HasNonBlackboxedFrameOnStack();
 
   // Threading support.
   char* ArchiveDebug(char* to);
   char* RestoreDebug(char* from);
   static int ArchiveSpacePerThread();
   void FreeThreadResources() { }
   void Iterate(ObjectVisitor* v);
 
   bool CheckExecutionState(int id) {
     return CheckExecutionState() && break_id() == id;
@@ skipping 112 matching lines @@
   void ApplyBreakPoints(Handle<DebugInfo> debug_info);
   // Clear code from instrumentation.
   void ClearBreakPoints(Handle<DebugInfo> debug_info);
   // Clear all code from instrumentation.
   void ClearAllBreakPoints();
   // Instrument a function with one-shots.
   void FloodWithOneShot(Handle<SharedFunctionInfo> function);
   // Clear all one-shot instrumentations, but restore break points.
   void ClearOneShot();
 
+  bool HasPromiseBuiltinOnStack();
+  bool IsFrameBlackboxed(JavaScriptFrame* frame);
+
   void ActivateStepOut(StackFrame* frame);
   void RemoveDebugInfoAndClearFromShared(Handle<DebugInfo> debug_info);
   MaybeHandle<FixedArray> CheckBreakPoints(Handle<DebugInfo> debug_info,
                                            BreakLocation* location,
                                            bool* has_break_points = nullptr);
   bool IsMutedAtCurrentLocation(JavaScriptFrame* frame);
   bool CheckBreakPoint(Handle<Object> break_point_object);
   MaybeHandle<Object> CallFunction(const char* name, int argc,
                                    Handle<Object> args[]);
 
@@ skipping 92 matching lines @@
 
   friend Handle<FixedArray> GetDebuggedFunctions();  // In test-debug.cc
   friend void CheckDebuggerUnloaded(bool check_functions);  // In test-debug.cc
 
   DISALLOW_COPY_AND_ASSIGN(Debug);
 };
 
 class LegacyDebugDelegate : public v8::debug::DebugDelegate {
  public:
   explicit LegacyDebugDelegate(Isolate* isolate) : isolate_(isolate) {}
-  void PromiseEventOccurred(v8::debug::PromiseDebugActionType type, int id,
-                            int parent_id) override;
+  void PromiseEventOccurred(v8::Local<v8::Context> context,
+                            v8::debug::PromiseDebugActionType type, int id,
+                            int parent_id, bool breakable) override;
   void ScriptCompiled(v8::Local<v8::debug::Script> script,
                       bool has_compile_error) override;
   void BreakProgramRequested(v8::Local<v8::Context> paused_context,
                              v8::Local<v8::Object> exec_state,
                              v8::Local<v8::Value> break_points_hit) override;
   void ExceptionThrown(v8::Local<v8::Context> paused_context,
                        v8::Local<v8::Object> exec_state,
                        v8::Local<v8::Value> exception,
                        v8::Local<v8::Value> promise, bool is_uncaught) override;
   bool IsFunctionBlackboxed(v8::Local<v8::debug::Script> script,
@@ skipping 163 matching lines @@
                                   Handle<Code> code);
   static bool DebugBreakSlotIsPatched(Address pc);
   static void ClearDebugBreakSlot(Isolate* isolate, Address pc);
 };
 
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_H_