Standardize usage of virtual/override/final specifiers.

ash/wm/overview/window_selector_panels.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ash/wm/overview/window_selector_panels.h"
 
 #include "ash/screen_util.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
 #include "ash/wm/overview/scoped_transform_overview_window.h"
 #include "ash/wm/overview/transparent_activate_window_button.h"
 #include "ash/wm/panels/panel_layout_manager.h"
 #include "ash/wm/window_util.h"
 #include "ui/aura/window.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/layer_animation_observer.h"
 #include "ui/compositor/layer_animation_sequence.h"
 #include "ui/views/controls/button/button.h"
 
 namespace ash {
 
 namespace {
 
 // This class extends ScopedTransformOverviewMode to hide and show the callout
 // widget for a panel window when entering / leaving overview mode, as well as
 // to add a transparent button for each panel window.
 class ScopedTransformPanelWindow : public ScopedTransformOverviewWindow {
  public:
   explicit ScopedTransformPanelWindow(aura::Window* window);
-  virtual ~ScopedTransformPanelWindow();
+  ~ScopedTransformPanelWindow() override;
 
   // ScopedTransformOverviewWindow overrides:
-  virtual void PrepareForOverview() override;
+  void PrepareForOverview() override;
 
-  virtual void SetTransform(
-      aura::Window* root_window,
-      const gfx::Transform& transform,
-      bool animate) override;
+  void SetTransform(aura::Window* root_window,
+                    const gfx::Transform& transform,
+                    bool animate) override;
 
  private:
   // Returns the panel window bounds after the transformation.
   gfx::Rect GetTransformedBounds();
 
   scoped_ptr<TransparentActivateWindowButton> window_button_;
 
   DISALLOW_COPY_AND_ASSIGN(ScopedTransformPanelWindow);
 };
 
@@ skipping 160 matching lines @@
   // TODO(flackr): find a way to make panels that are hidden behind other panels
   // look nice.
   for (WindowList::iterator iter = transform_windows_.begin();
        iter != transform_windows_.end(); iter++) {
     (*iter)->window()->layer()->SetOpacity(opacity);
   }
   WindowSelectorItem::SetOpacity(opacity);
 }
 
 }  // namespace ash