[inspector] changed a way of preserving stepping between tasks

src/inspector/v8-debugger-agent-impl.h

 // Copyright 2015 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_INSPECTOR_V8DEBUGGERAGENTIMPL_H_
 #define V8_INSPECTOR_V8DEBUGGERAGENTIMPL_H_
 
 #include <vector>
 
 #include "src/base/macros.h"
@@ skipping 116 matching lines @@
                                std::unique_ptr<protocol::DictionaryValue> data);
 
   void reset();
 
   // Interface for V8InspectorImpl
   void didPause(int contextId, v8::Local<v8::Value> exception,
                 const std::vector<String16>& hitBreakpoints,
                 bool isPromiseRejection, bool isUncaught, bool isOOMBreak);
   void didContinue();
   void didParseSource(std::unique_ptr<V8DebuggerScript>, bool success);
-  void willExecuteScript(int scriptId);
-  void didExecuteScript();
 
   bool isFunctionBlackboxed(const String16& scriptId,
                             const v8::debug::Location& start,
                             const v8::debug::Location& end);
 
   bool skipAllPauses() const { return m_skipAllPauses; }
 
   v8::Isolate* isolate() { return m_isolate; }
 
   bool shouldBreakInScheduledAsyncTask();
 
  private:
   void enableImpl();
 
-  void schedulePauseOnNextStatementIfSteppingInto();
-
   Response currentCallFrames(
       std::unique_ptr<protocol::Array<protocol::Debugger::CallFrame>>*);
   std::unique_ptr<protocol::Runtime::StackTrace> currentAsyncStackTrace();
 
-  void changeJavaScriptRecursionLevel(int step);
-
   void setPauseOnExceptionsImpl(int);
 
   std::unique_ptr<protocol::Debugger::Location> resolveBreakpoint(
       const String16& breakpointId, const ScriptBreakpoint&, BreakpointSource,
       const String16& hint);
   void removeBreakpointImpl(const String16& breakpointId);
   void clearBreakDetails();
 
   void internalSetAsyncCallStackDepth(int);
   void increaseCachedSkipStackGeneration();
 
   Response setBlackboxPattern(const String16& pattern);
   void resetBlackboxedStateCache();
 
   bool isPaused() const;
 
   using ScriptsMap =
       protocol::HashMap<String16, std::unique_ptr<V8DebuggerScript>>;
   using BreakpointIdToDebuggerBreakpointIdsMap =
       protocol::HashMap<String16, std::vector<String16>>;
   using DebugServerBreakpointToBreakpointIdAndSourceMap =
       protocol::HashMap<String16, std::pair<String16, BreakpointSource>>;
   using MuteBreakpoins = protocol::HashMap<String16, std::pair<String16, int>>;
 
-  enum DebuggerStep { NoStep = 0, StepInto, StepOver, StepOut };
-
   V8InspectorImpl* m_inspector;
   V8Debugger* m_debugger;
   V8InspectorSessionImpl* m_session;
   bool m_enabled;
   protocol::DictionaryValue* m_state;
   protocol::Debugger::Frontend m_frontend;
   v8::Isolate* m_isolate;
   JavaScriptCallFrames m_pausedCallFrames;
   ScriptsMap m_scripts;
   BreakpointIdToDebuggerBreakpointIdsMap m_breakpointIdToDebuggerBreakpointIds;
   DebugServerBreakpointToBreakpointIdAndSourceMap m_serverBreakpoints;
   String16 m_continueToLocationBreakpointId;
 
   using BreakReason =
       std::pair<String16, std::unique_ptr<protocol::DictionaryValue>>;
   std::vector<BreakReason> m_breakReason;
 
   void pushBreakDetails(
       const String16& breakReason,
       std::unique_ptr<protocol::DictionaryValue> breakAuxData);
   void popBreakDetails();
 
-  DebuggerStep m_scheduledDebuggerStep;
   bool m_javaScriptPauseScheduled;
-
-  int m_recursionLevelForStepOut;
   bool m_skipAllPauses = false;
 
   std::unique_ptr<V8Regex> m_blackboxPattern;
   protocol::HashMap<String16, std::vector<std::pair<int, int>>>
       m_blackboxedPositions;
 
   std::unique_ptr<ScheduleStepIntoAsyncCallback> m_stepIntoAsyncCallback;
 
   DISALLOW_COPY_AND_ASSIGN(V8DebuggerAgentImpl);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8DEBUGGERAGENTIMPL_H_