[debugger] implement legacy debug event listeners via debug delegate.

src/debug/debug-interface.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_DEBUG_INTERFACE_H_
 #define V8_DEBUG_DEBUG_INTERFACE_H_
 
 #include <functional>
 
 #include "include/v8-debug.h"
@@ skipping 145 matching lines @@
   virtual void PromiseEventOccurred(debug::PromiseDebugActionType type, int id,
                                     int parent_id) {}
   virtual void ScriptCompiled(v8::Local<Script> script,
                               bool has_compile_error) {}
   virtual void BreakProgramRequested(v8::Local<v8::Context> paused_context,
                                      v8::Local<v8::Object> exec_state,
                                      v8::Local<v8::Value> break_points_hit) {}
   virtual void ExceptionThrown(v8::Local<v8::Context> paused_context,
                                v8::Local<v8::Object> exec_state,
                                v8::Local<v8::Value> exception,
-                               bool is_promise_rejection, bool is_uncaught) {}
+                               v8::Local<v8::Value> promise, bool is_uncaught) {
+  }
   virtual bool IsFunctionBlackboxed(v8::Local<debug::Script> script,
                                     const debug::Location& start,
                                     const debug::Location& end) {
     return false;
   }
 };
 
 void SetDebugDelegate(Isolate* isolate, DebugDelegate* listener);
 
 void ResetBlackboxedStateCache(Isolate* isolate,
@@ skipping 15 matching lines @@
   debug::Location SuspendedLocation();
   bool IsSuspended();
 
   static v8::Local<debug::GeneratorObject> Cast(v8::Local<v8::Value> value);
 };
 
 }  // namespace debug
 }  // namespace v8
 
 #endif  // V8_DEBUG_DEBUG_INTERFACE_H_