[inspector] cleanup all task related data when limit reached

src/inspector/v8-debugger.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_INSPECTOR_V8DEBUGGER_H_
 #define V8_INSPECTOR_V8DEBUGGER_H_
 
 #include <list>
 #include <vector>
 
@@ skipping 171 matching lines @@
   v8::Local<v8::Context> m_pausedContext;
   bool m_runningNestedMessageLoop;
   int m_ignoreScriptParsedEventsCounter;
   bool m_scheduledOOMBreak = false;
   int m_targetContextGroupId = 0;
 
   using AsyncTaskToStackTrace =
       protocol::HashMap<void*, std::weak_ptr<AsyncStackTrace>>;
   AsyncTaskToStackTrace m_asyncTaskStacks;
   AsyncTaskToStackTrace m_asyncTaskCreationStacks;
+  protocol::HashSet<void*> m_recurringTasks;
+  protocol::HashMap<void*, void*> m_parentTask;
+
   int m_maxAsyncCallStacks;
-  protocol::HashSet<void*> m_recurringTasks;
   int m_maxAsyncCallStackDepth;
 
   std::vector<void*> m_currentTasks;
   std::vector<std::shared_ptr<AsyncStackTrace>> m_currentAsyncParent;
   std::vector<std::shared_ptr<AsyncStackTrace>> m_currentAsyncCreation;
 
   void collectOldAsyncStacksIfNeeded();
   void removeOldAsyncTasks(AsyncTaskToStackTrace& map);
   int m_asyncStacksCount = 0;
   // V8Debugger owns all the async stacks, while most of the other references
   // are weak, which allows to collect some stacks when there are too many.
   std::list<std::shared_ptr<AsyncStackTrace>> m_allAsyncStacks;
   std::map<int, std::weak_ptr<StackFrame>> m_framesCache;
 
   protocol::HashMap<V8DebuggerAgentImpl*, int> m_maxAsyncCallStackDepthMap;
-  protocol::HashMap<void*, void*> m_parentTask;
-  protocol::HashMap<void*, void*> m_firstNextTask;
   void* m_taskWithScheduledBreak = nullptr;
 
   std::unique_ptr<ScheduleStepIntoAsyncCallback> m_stepIntoAsyncCallback;
   bool m_breakRequested = false;
 
   v8::debug::ExceptionBreakState m_pauseOnExceptionsState;
 
   WasmTranslation m_wasmTranslation;
 
   DISALLOW_COPY_AND_ASSIGN(V8Debugger);
 };
 
 }  // namespace v8_inspector
 
 #endif  // V8_INSPECTOR_V8DEBUGGER_H_