Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/download/download_shelf_view.h

Index: chrome/browser/ui/views/download/download_shelf_view.h
diff --git a/chrome/browser/ui/views/download/download_shelf_view.h b/chrome/browser/ui/views/download/download_shelf_view.h
index 7ba927fd3c9c7387dcd2f98cba3b2e16ba900dab..fd762e3c7599ec1dbe6272654dc3921aeb55546c 100644
--- a/chrome/browser/ui/views/download/download_shelf_view.h
+++ b/chrome/browser/ui/views/download/download_shelf_view.h
@@ -47,7 +47,7 @@ class DownloadShelfView : public views::AccessiblePaneView,
                           public views::MouseWatcherListener {
  public:
   DownloadShelfView(Browser* browser, BrowserView* parent);
-  virtual ~DownloadShelfView();
+  ~DownloadShelfView() override;
 
   // Sent from the DownloadItemView when the user opens an item.
   void OpenedDownload(DownloadItemView* view);
@@ -60,32 +60,31 @@ class DownloadShelfView : public views::AccessiblePaneView,
   BrowserView* get_parent() { return parent_; }
 
   // Implementation of View.
-  virtual gfx::Size GetPreferredSize() const override;
-  virtual void Layout() override;
-  virtual void ViewHierarchyChanged(
+  gfx::Size GetPreferredSize() const override;
+  void Layout() override;
+  void ViewHierarchyChanged(
       const ViewHierarchyChangedDetails& details) override;
 
   // Implementation of gfx::AnimationDelegate.
-  virtual void AnimationProgressed(const gfx::Animation* animation) override;
-  virtual void AnimationEnded(const gfx::Animation* animation) override;
+  void AnimationProgressed(const gfx::Animation* animation) override;
+  void AnimationEnded(const gfx::Animation* animation) override;
 
   // Implementation of views::LinkListener.
   // Invoked when the user clicks the 'show all downloads' link button.
-  virtual void LinkClicked(views::Link* source, int event_flags) override;
+  void LinkClicked(views::Link* source, int event_flags) override;
 
   // Implementation of ButtonListener.
   // Invoked when the user clicks the close button. Asks the browser to
   // hide the download shelf.
-  virtual void ButtonPressed(views::Button* button,
-                             const ui::Event& event) override;
+  void ButtonPressed(views::Button* button, const ui::Event& event) override;
 
   // Implementation of DownloadShelf.
-  virtual bool IsShowing() const override;
-  virtual bool IsClosing() const override;
-  virtual Browser* browser() const override;
+  bool IsShowing() const override;
+  bool IsClosing() const override;
+  Browser* browser() const override;
 
   // Implementation of MouseWatcherListener override.
-  virtual void MouseMovedOutOfHost() override;
+  void MouseMovedOutOfHost() override;
 
   // Removes a specified download view. The supplied view is deleted after
   // it's removed.
@@ -93,12 +92,12 @@ class DownloadShelfView : public views::AccessiblePaneView,
 
  protected:
   // Implementation of DownloadShelf.
-  virtual void DoAddDownload(content::DownloadItem* download) override;
-  virtual void DoShow() override;
-  virtual void DoClose(CloseReason reason) override;
+  void DoAddDownload(content::DownloadItem* download) override;
+  void DoShow() override;
+  void DoClose(CloseReason reason) override;
 
   // From AccessiblePaneView
-  virtual views::View* GetDefaultFocusableChild() override;
+  views::View* GetDefaultFocusableChild() override;
 
  private:
   // Adds a View representing a download to this DownloadShelfView.
@@ -107,7 +106,7 @@ class DownloadShelfView : public views::AccessiblePaneView,
   void AddDownloadView(DownloadItemView* view);
 
   // Paints the border.
-  virtual void OnPaintBorder(gfx::Canvas* canvas) override;
+  void OnPaintBorder(gfx::Canvas* canvas) override;
 
   // Returns true if the shelf is wide enough to show the first download item.
   bool CanFitFirstDownloadItem();
@@ -116,7 +115,7 @@ class DownloadShelfView : public views::AccessiblePaneView,
   void UpdateColorsFromTheme();
 
   // Overridden from views::View.
-  virtual void OnThemeChanged() override;
+  void OnThemeChanged() override;
 
   // Called when the "close shelf" animation ended.
   void Closed();