Fix virtual/override/final usage in Source/bindings/.

Source/bindings/core/v8/ExceptionState.h

Index: Source/bindings/core/v8/ExceptionState.h
diff --git a/Source/bindings/core/v8/ExceptionState.h b/Source/bindings/core/v8/ExceptionState.h
index 695aa16117f137ae56b1aa0b82d4e1273a2619d8..f4d2351e980b48f72017dab086cee2f67885a536 100644
--- a/Source/bindings/core/v8/ExceptionState.h
+++ b/Source/bindings/core/v8/ExceptionState.h
@@ -142,20 +142,20 @@ private:
 class CORE_EXPORT NonThrowableExceptionState final : public ExceptionState {
 public:
     NonThrowableExceptionState(): ExceptionState(ExceptionState::UnknownContext, 0, 0, v8::Local<v8::Object>(), v8::Isolate::GetCurrent()) { }
-    virtual void throwDOMException(const ExceptionCode&, const String& message) override;
-    virtual void throwTypeError(const String& message = String()) override;
-    virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) override;
-    virtual void throwRangeError(const String& message) override;
+    void throwDOMException(const ExceptionCode&, const String& message) override;
+    void throwTypeError(const String& message = String()) override;
+    void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) override;
+    void throwRangeError(const String& message) override;
 };
 
 // Used if any exceptions thrown are ignorable.
 class CORE_EXPORT TrackExceptionState final : public ExceptionState {
 public:
     TrackExceptionState(): ExceptionState(ExceptionState::UnknownContext, 0, 0, v8::Local<v8::Object>(), v8::Isolate::GetCurrent()) { }
-    virtual void throwDOMException(const ExceptionCode&, const String& message) override;
-    virtual void throwTypeError(const String& message = String()) override;
-    virtual void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) override;
-    virtual void throwRangeError(const String& message) override;
+    void throwDOMException(const ExceptionCode&, const String& message) override;
+    void throwTypeError(const String& message = String()) override;
+    void throwSecurityError(const String& sanitizedMessage, const String& unsanitizedMessage = String()) override;
+    void throwRangeError(const String& message) override;
 };
 
 } // namespace blink