Standardize usage of virtual/override/final specifiers.

chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc

Index: chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
diff --git a/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc b/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
index bea6b653c01380a81d1a5c9eab6ad431d26fd478..9f1b86e59013792c196becb864fee2a3aebd146e 100644
--- a/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
+++ b/chrome/browser/ui/views/tabs/tab_drag_controller_interactive_uitest.cc
@@ -69,7 +69,7 @@ class TabDragControllerInteractiveUITestUserData
     : public base::SupportsUserData::Data {
  public:
   explicit TabDragControllerInteractiveUITestUserData(int id) : id_(id) {}
-  virtual ~TabDragControllerInteractiveUITestUserData() {}
+  ~TabDragControllerInteractiveUITestUserData() override {}
   int id() { return id_; }
 
  private:
@@ -85,16 +85,16 @@ class QuitDraggingObserver : public content::NotificationObserver {
                    content::NotificationService::AllSources());
   }
 
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override {
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override {
     DCHECK_EQ(chrome::NOTIFICATION_TAB_DRAG_LOOP_DONE, type);
     base::MessageLoopForUI::current()->Quit();
     delete this;
   }
 
  private:
-  virtual ~QuitDraggingObserver() {}
+  ~QuitDraggingObserver() override {}
 
   content::NotificationRegistrar registrar_;
 
@@ -218,15 +218,14 @@ class ScreenEventGeneratorDelegate
  public:
   explicit ScreenEventGeneratorDelegate(aura::Window* root_window)
       : root_window_(root_window) {}
-  virtual ~ScreenEventGeneratorDelegate() {}
+  ~ScreenEventGeneratorDelegate() override {}
 
   // EventGeneratorDelegateAura overrides:
-  virtual aura::WindowTreeHost* GetHostAt(
-      const gfx::Point& point) const override {
+  aura::WindowTreeHost* GetHostAt(const gfx::Point& point) const override {
     return root_window_->GetHost();
   }
 
-  virtual aura::client::ScreenPositionClient* GetScreenPositionClient(
+  aura::client::ScreenPositionClient* GetScreenPositionClient(
       const aura::Window* window) const override {
     return aura::client::GetScreenPositionClient(root_window_);
   }
@@ -254,13 +253,13 @@ class TestDesktopBrowserFrameAura : public DesktopBrowserFrameAura {
       BrowserView* browser_view)
       : DesktopBrowserFrameAura(browser_frame, browser_view),
         release_capture_(false) {}
-  virtual ~TestDesktopBrowserFrameAura() {}
+  ~TestDesktopBrowserFrameAura() override {}
 
   void ReleaseCaptureOnNextClear() {
     release_capture_ = true;
   }
 
-  virtual void ClearNativeFocus() override {
+  void ClearNativeFocus() override {
     views::DesktopNativeWidgetAura::ClearNativeFocus();
     if (release_capture_) {
       release_capture_ = false;
@@ -279,11 +278,10 @@ class TestDesktopBrowserFrameAura : public DesktopBrowserFrameAura {
 class TestNativeBrowserFrameFactory : public NativeBrowserFrameFactory {
  public:
   TestNativeBrowserFrameFactory() {}
-  virtual ~TestNativeBrowserFrameFactory() {}
+  ~TestNativeBrowserFrameFactory() override {}
 
-  virtual NativeBrowserFrame* Create(
-      BrowserFrame* browser_frame,
-      BrowserView* browser_view) override {
+  NativeBrowserFrame* Create(BrowserFrame* browser_frame,
+                             BrowserView* browser_view) override {
     return new TestDesktopBrowserFrameAura(browser_frame, browser_view);
   }
 
@@ -358,7 +356,7 @@ class DetachToBrowserTabDragControllerTest
  public:
   DetachToBrowserTabDragControllerTest() {}
 
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
 #if defined(OS_CHROMEOS)
     event_generator_.reset(
         new ui::test::EventGenerator(ash::Shell::GetPrimaryRootWindow()));