replace OVERRIDE and FINAL with override and final in ash/

ash/wm/dock/docked_window_layout_manager.cc

Index: ash/wm/dock/docked_window_layout_manager.cc
diff --git a/ash/wm/dock/docked_window_layout_manager.cc b/ash/wm/dock/docked_window_layout_manager.cc
index 14ccaa37329ea6a35b616c08f37d6c41097d51dd..552ba75f3f337d3d13db1c483d43914663c6b938 100644
--- a/ash/wm/dock/docked_window_layout_manager.cc
+++ b/ash/wm/dock/docked_window_layout_manager.cc
@@ -87,12 +87,12 @@ class DockedBackgroundWidget : public views::Widget,
   }
 
   // views::Widget:
-  virtual void OnNativeWidgetVisibilityChanged(bool visible) OVERRIDE {
+  virtual void OnNativeWidgetVisibilityChanged(bool visible) override {
     views::Widget::OnNativeWidgetVisibilityChanged(visible);
     UpdateBackground();
   }
 
-  virtual void OnNativeWidgetPaint(gfx::Canvas* canvas) OVERRIDE {
+  virtual void OnNativeWidgetPaint(gfx::Canvas* canvas) override {
     const gfx::ImageSkia& shelf_background(
         alignment_ == DOCKED_ALIGNMENT_LEFT ?
             shelf_background_left_ : shelf_background_right_);
@@ -127,7 +127,7 @@ class DockedBackgroundWidget : public views::Widget,
   }
 
   // BackgroundAnimatorDelegate:
-  virtual void UpdateBackground(int alpha) OVERRIDE {
+  virtual void UpdateBackground(int alpha) override {
     alpha_ = alpha;
     SchedulePaintInRect(gfx::Rect(GetWindowBoundsInScreen().size()));
   }
@@ -382,7 +382,7 @@ class DockedWindowLayoutManager::ShelfWindowObserver : public WindowObserver {
   // aura::WindowObserver:
   virtual void OnWindowBoundsChanged(aura::Window* window,
                                      const gfx::Rect& old_bounds,
-                                     const gfx::Rect& new_bounds) OVERRIDE {
+                                     const gfx::Rect& new_bounds) override {
     shelf_bounds_in_screen_ = ScreenUtil::ConvertRectToScreen(
         window->parent(), new_bounds);
     docked_layout_manager_->OnShelfBoundsChanged();