Fix virtual/override/final usage in the rest of Source/core/.

Source/core/workers/WorkerObjectProxy.h

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 35 matching lines @@
 
 // A proxy to talk to the worker object. This object is created on the
 // worker object thread (i.e. usually the main thread), passed on to
 // the worker thread, and used just to proxy messages to the
 // WorkerMessagingProxy on the worker object thread.
 //
 // Used only by in-process workers (DedicatedWorker and CompositorWorker.)
 class CORE_EXPORT WorkerObjectProxy : public WorkerReportingProxy {
 public:
     static PassOwnPtr<WorkerObjectProxy> create(ExecutionContext*, WorkerMessagingProxy*);
-    virtual ~WorkerObjectProxy() { }
+    ~WorkerObjectProxy() override { }
 
     void postMessageToWorkerObject(PassRefPtr<SerializedScriptValue>, PassOwnPtr<MessagePortChannelArray>);
     void postTaskToMainExecutionContext(PassOwnPtr<ExecutionContextTask>);
     void confirmMessageFromWorkerObject(bool hasPendingActivity);
     void reportPendingActivity(bool hasPendingActivity);
 
     // WorkerReportingProxy overrides.
-    virtual void reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL, int exceptionId) override;
-    virtual void reportConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage>) override;
-    virtual void postMessageToPageInspector(const String&) override;
-    virtual void postWorkerConsoleAgentEnabled() override;
-    virtual void didEvaluateWorkerScript(bool success) override { }
-    virtual void workerGlobalScopeStarted(WorkerGlobalScope*) override { }
-    virtual void workerGlobalScopeClosed() override;
-    virtual void workerThreadTerminated() override;
-    virtual void willDestroyWorkerGlobalScope() override { }
+    void reportException(const String& errorMessage, int lineNumber, int columnNumber, const String& sourceURL, int exceptionId) override;
+    void reportConsoleMessage(PassRefPtrWillBeRawPtr<ConsoleMessage>) override;
+    void postMessageToPageInspector(const String&) override;
+    void postWorkerConsoleAgentEnabled() override;
+    void didEvaluateWorkerScript(bool success) override { }
+    void workerGlobalScopeStarted(WorkerGlobalScope*) override { }
+    void workerGlobalScopeClosed() override;
+    void workerThreadTerminated() override;
+    void willDestroyWorkerGlobalScope() override { }
 
 protected:
     WorkerObjectProxy(ExecutionContext*, WorkerMessagingProxy*);
 
 private:
     // These objects always outlive this proxy.
     ExecutionContext* m_executionContext;
     WorkerMessagingProxy* m_messagingProxy;
 };
 
 } // namespace blink
 
 #endif // WorkerObjectProxy_h