Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/content_setting_bubble_contents.cc

Index: chrome/browser/ui/views/content_setting_bubble_contents.cc
diff --git a/chrome/browser/ui/views/content_setting_bubble_contents.cc b/chrome/browser/ui/views/content_setting_bubble_contents.cc
index 18630e872925761f6e6ba4fe8eb5f707bd117073..4bee4e0aa102c1cd003cc152ee19c455f95a95c2 100644
--- a/chrome/browser/ui/views/content_setting_bubble_contents.cc
+++ b/chrome/browser/ui/views/content_setting_bubble_contents.cc
@@ -69,13 +69,13 @@ class ContentSettingBubbleContents::Favicon : public views::ImageView {
   Favicon(const gfx::Image& image,
           ContentSettingBubbleContents* parent,
           views::Link* link);
-  virtual ~Favicon();
+  ~Favicon() override;
 
  private:
   // views::View overrides:
-  virtual bool OnMousePressed(const ui::MouseEvent& event) override;
-  virtual void OnMouseReleased(const ui::MouseEvent& event) override;
-  virtual gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
+  bool OnMousePressed(const ui::MouseEvent& event) override;
+  void OnMouseReleased(const ui::MouseEvent& event) override;
+  gfx::NativeCursor GetCursor(const ui::MouseEvent& event) override;
 
   ContentSettingBubbleContents* parent_;
   views::Link* link_;