Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/frame/contents_layout_manager.h

Index: chrome/browser/ui/views/frame/contents_layout_manager.h
diff --git a/chrome/browser/ui/views/frame/contents_layout_manager.h b/chrome/browser/ui/views/frame/contents_layout_manager.h
index a2373ef75955b31263cfbf97a3bcb38c09ee7cb6..b9b374919a8dfceb212b215901a6d1d79733f336 100644
--- a/chrome/browser/ui/views/frame/contents_layout_manager.h
+++ b/chrome/browser/ui/views/frame/contents_layout_manager.h
@@ -14,7 +14,7 @@
 class ContentsLayoutManager : public views::LayoutManager {
  public:
   ContentsLayoutManager(views::View* devtools_view, views::View* contents_view);
-  virtual ~ContentsLayoutManager();
+  ~ContentsLayoutManager() override;
 
   // Sets the active top margin; both devtools_view and contents_view will be
   // pushed down vertically by |margin|.
@@ -25,10 +25,10 @@ class ContentsLayoutManager : public views::LayoutManager {
       const DevToolsContentsResizingStrategy& strategy);
 
   // views::LayoutManager overrides:
-  virtual void Layout(views::View* host) override;
-  virtual gfx::Size GetPreferredSize(const views::View* host) const override;
-  virtual void Installed(views::View* host) override;
-  virtual void Uninstalled(views::View* host) override;
+  void Layout(views::View* host) override;
+  gfx::Size GetPreferredSize(const views::View* host) const override;
+  void Installed(views::View* host) override;
+  void Uninstalled(views::View* host) override;
 
  private:
   views::View* devtools_view_;