[DevTools] Remove ScriptDebugListener from V8Debugger.

Source/core/inspector/ScriptDebuggerBase.h

 // Copyright 2015 The Chromium 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 ScriptDebuggerBase_h
 #define ScriptDebuggerBase_h
 
 #include "core/CoreExport.h"
 #include "core/inspector/V8Debugger.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
+class ScriptDebugListener;
+
 class CORE_EXPORT ScriptDebuggerBase : public V8Debugger::Client {
     WTF_MAKE_NONCOPYABLE(ScriptDebuggerBase);
 public:
-    ScriptDebuggerBase(v8::Isolate*, PassOwnPtrWillBeRawPtr<V8Debugger>);
+    explicit ScriptDebuggerBase(v8::Isolate*);
     ~ScriptDebuggerBase() override;
-    v8::Local<v8::Object> compileDebuggerScript() override;
     V8Debugger* debugger() const { return m_debugger.get(); }
 
+    v8::Local<v8::Object> compileDebuggerScript() override;
+    void didParseSource(v8::Local<v8::Context>, const V8Debugger::ParsedScript&) override;
+    V8Debugger::SkipPauseRequest didPause(ScriptState*, const ScriptValue& callFrames, const ScriptValue& exception, const Vector<String>& hitBreakpoints, bool isPromiseRejection) override;
+    bool v8AsyncTaskEventsEnabled(ScriptState*) override;
+    void didReceiveV8AsyncTaskEvent(ScriptState*, const String& eventType, const String& eventName, int id) override;
+    bool v8PromiseEventsEnabled(ScriptState*) override;
+    void didReceiveV8PromiseEvent(ScriptState*, v8::Local<v8::Object> promise, v8::Local<v8::Value> parentPromise, int status) override;
+
     DECLARE_VIRTUAL_TRACE();
 
+protected:
+    virtual ScriptDebugListener* getDebugListenerForContext(v8::Local<v8::Context>) = 0;
+
 private:
     v8::Isolate* m_isolate;
     OwnPtrWillBeMember<V8Debugger> m_debugger;
 };
 
 } // namespace blink
 
 
 #endif // !defined(ScriptDebuggerBase_h)