Revert of DevTools: Make WorkerThreadDebugger available for Worklets

third_party/WebKit/Source/core/inspector/WorkerThreadDebugger.h

Index: third_party/WebKit/Source/core/inspector/WorkerThreadDebugger.h
diff --git a/third_party/WebKit/Source/core/inspector/WorkerThreadDebugger.h b/third_party/WebKit/Source/core/inspector/WorkerThreadDebugger.h
index 3c0d42a2146efd0ab2f9750772aec7ae508cf745..88dd9ba5c71d941bbcda7d5ddfdbb1941ba10fc6 100644
--- a/third_party/WebKit/Source/core/inspector/WorkerThreadDebugger.h
+++ b/third_party/WebKit/Source/core/inspector/WorkerThreadDebugger.h
@@ -45,16 +45,16 @@
   WTF_MAKE_NONCOPYABLE(WorkerThreadDebugger);
 
  public:
-  explicit WorkerThreadDebugger(v8::Isolate*);
+  explicit WorkerThreadDebugger(WorkerThread*, v8::Isolate*);
   ~WorkerThreadDebugger() override;
 
   static WorkerThreadDebugger* from(v8::Isolate*);
   bool isWorker() override { return true; }
 
-  int contextGroupId(WorkerThread*);
-  void contextCreated(WorkerThread*, v8::Local<v8::Context>);
-  void contextWillBeDestroyed(WorkerThread*, v8::Local<v8::Context>);
-  void exceptionThrown(WorkerThread*, ErrorEvent*);
+  int contextGroupId();
+  void contextCreated(v8::Local<v8::Context>);
+  void contextWillBeDestroyed(v8::Local<v8::Context>);
+  void exceptionThrown(ErrorEvent*);
 
  private:
   int contextGroupId(ExecutionContext*) override;
@@ -85,8 +85,7 @@
                          unsigned columnNumber,
                          v8_inspector::V8StackTrace*) override;
 
-  int m_pausedContextGroupId;
-  WTF::HashMap<int, WorkerThread*> m_workerThreads;
+  WorkerThread* m_workerThread;
 };
 
 }  // namespace blink