DevTools: Make WorkerThreadDebugger available for Worklets

third_party/WebKit/Source/core/workers/WorkerThread.h

Index: third_party/WebKit/Source/core/workers/WorkerThread.h
diff --git a/third_party/WebKit/Source/core/workers/WorkerThread.h b/third_party/WebKit/Source/core/workers/WorkerThread.h
index bbd47ae68ee551bb842c78c0e912805c0fd74706..243672c5780447f1047ae8e72a7c4e2377afc7ba 100644
--- a/third_party/WebKit/Source/core/workers/WorkerThread.h
+++ b/third_party/WebKit/Source/core/workers/WorkerThread.h
@@ -122,7 +122,6 @@ class CORE_EXPORT WorkerThread : public WebThread::TaskObserver {
   ConsoleMessageStorage* consoleMessageStorage() const {
     return m_consoleMessageStorage.get();
   }
-  virtual bool shouldAttachThreadDebugger() const { return true; }
   v8::Isolate* isolate();
 
   bool isCurrentThread();
@@ -159,6 +158,8 @@ class CORE_EXPORT WorkerThread : public WebThread::TaskObserver {
   // Number of active worker threads.
   static unsigned workerThreadCount();
 
+  int getWorkerThreadId() const { return m_workerThreadId; }
+
   PlatformThreadId platformThreadId();
 
   bool isForciblyTerminated();
@@ -253,6 +254,9 @@ class CORE_EXPORT WorkerThread : public WebThread::TaskObserver {
 
   ExitCode getExitCodeForTesting();
 
+  // A unique identifier among all WorkerThreads.
+  const int m_workerThreadId;
+
   // Accessed only on the main thread.
   bool m_requestedToStart = false;