Standardize usage of virtual/override/final in content/renderer/

content/renderer/renderer_webcolorchooser_impl.h

Index: content/renderer/renderer_webcolorchooser_impl.h
diff --git a/content/renderer/renderer_webcolorchooser_impl.h b/content/renderer/renderer_webcolorchooser_impl.h
index 49526307bcf64a0bd699c6334d7e0a4ab2863d7b..36e7fc15c60dbb02e86962109fb62b0d0ddbaacf 100644
--- a/content/renderer/renderer_webcolorchooser_impl.h
+++ b/content/renderer/renderer_webcolorchooser_impl.h
@@ -41,8 +41,8 @@ class RendererWebColorChooserImpl : public blink::WebColorChooser,
   // Don't destroy the RendererWebColorChooserImpl when the RenderFrame goes
   // away. RendererWebColorChooserImpl is owned by
   // blink::ColorChooserUIController.
-  virtual void OnDestruct() override {}
-  virtual bool OnMessageReceived(const IPC::Message& message) override;
+  void OnDestruct() override {}
+  bool OnMessageReceived(const IPC::Message& message) override;
 
   void OnDidChooseColorResponse(int color_chooser_id, SkColor color);
   void OnDidEndColorChooser(int color_chooser_id);