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

Source/core/inspector/PageConsoleAgent.h

Index: Source/core/inspector/PageConsoleAgent.h
diff --git a/Source/core/inspector/PageConsoleAgent.h b/Source/core/inspector/PageConsoleAgent.h
index ab026729400e6363d0fd4b2340a93b6a692c6588..2fba556083df916a54dca4f8bb3c4d111d5bfea5 100644
--- a/Source/core/inspector/PageConsoleAgent.h
+++ b/Source/core/inspector/PageConsoleAgent.h
@@ -51,25 +51,25 @@ public:
     {
         return adoptPtrWillBeNoop(new PageConsoleAgent(injectedScriptManager, domAgent, pageAgent));
     }
-    virtual ~PageConsoleAgent();
+    ~PageConsoleAgent() override;
     DECLARE_VIRTUAL_TRACE();
 
-    virtual void enable(ErrorString*) override;
-    virtual void disable(ErrorString*) override;
+    void enable(ErrorString*) override;
+    void disable(ErrorString*) override;
 
     void workerTerminated(WorkerInspectorProxy*);
 
     void workerConsoleAgentEnabled(WorkerGlobalScopeProxy*);
 
 protected:
-    virtual ConsoleMessageStorage* messageStorage() override;
+    ConsoleMessageStorage* messageStorage() override;
 
-    virtual void enableStackCapturingIfNeeded() override;
-    virtual void disableStackCapturingIfNeeded() override;
+    void enableStackCapturingIfNeeded() override;
+    void disableStackCapturingIfNeeded() override;
 
 private:
     PageConsoleAgent(InjectedScriptManager*, InspectorDOMAgent*, InspectorPageAgent*);
-    virtual void clearMessages(ErrorString*) override;
+    void clearMessages(ErrorString*) override;
 
     RawPtrWillBeMember<InspectorDOMAgent> m_inspectorDOMAgent;
     RawPtrWillBeMember<InspectorPageAgent> m_pageAgent;