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

Source/core/inspector/InspectorInputAgent.h

Index: Source/core/inspector/InspectorInputAgent.h
diff --git a/Source/core/inspector/InspectorInputAgent.h b/Source/core/inspector/InspectorInputAgent.h
index 0d953fd27b172da25600aa431a2ba7d2879f7869..3c3476c8677e426706d59081bce770615636468b 100644
--- a/Source/core/inspector/InspectorInputAgent.h
+++ b/Source/core/inspector/InspectorInputAgent.h
@@ -53,11 +53,11 @@ public:
         return adoptPtrWillBeNoop(new InspectorInputAgent(pageAgent));
     }
 
-    virtual ~InspectorInputAgent();
+    ~InspectorInputAgent() override;
     DECLARE_VIRTUAL_TRACE();
 
     // Methods called from the frontend for simulating input.
-    virtual void dispatchTouchEvent(ErrorString*, const String& type, const RefPtr<JSONArray>& touchPoints, const int* modifiers, const double* timestamp) override;
+    void dispatchTouchEvent(ErrorString*, const String& type, const RefPtr<JSONArray>& touchPoints, const int* modifiers, const double* timestamp) override;
 private:
     explicit InspectorInputAgent(InspectorPageAgent*);