MacViews: Remove redundant virtuals in NativeWidgetMac and co.

ui/views/cocoa/bridged_native_widget.h

 // Copyright 2014 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.
 
 #ifndef UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_
 #define UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_
 
 #import <Cocoa/Cocoa.h>
 #include <vector>
 
@@ skipping 34 matching lines @@
   // Ways of changing the visibility of the bridged NSWindow.
   enum WindowVisibilityState {
     HIDE_WINDOW,               // Hides with -[NSWindow orderOut:].
     SHOW_AND_ACTIVATE_WINDOW,  // Shows with -[NSWindow makeKeyAndOrderFront:].
     SHOW_INACTIVE,             // Shows with -[NSWindow orderWindow:..]. Orders
                                // the window above its parent if it has one.
   };
 
   // Creates one side of the bridge. |parent| must not be NULL.
   explicit BridgedNativeWidget(NativeWidgetMac* parent);
-  virtual ~BridgedNativeWidget();
+  ~BridgedNativeWidget() override;
 
   // Initialize the bridge, "retains" ownership of |window|.
   void Init(base::scoped_nsobject<NSWindow> window,
             const Widget::InitParams& params);
 
   // Sets or clears the focus manager to use for tracking focused views.
   // This does NOT take ownership of |focus_manager|.
   void SetFocusManager(FocusManager* focus_manager);
 
   // Changes the bounds of the window and the hosted layer if present.
@@ skipping 71 matching lines @@
   // raised above their parent when window z-order changes.
   BridgedNativeWidget* parent() { return parent_; }
   const std::vector<BridgedNativeWidget*>& child_windows() {
     return child_windows_;
   }
 
   bool target_fullscreen_state() const { return target_fullscreen_state_; }
   bool window_visible() { return window_visible_; }
 
   // Overridden from internal::InputMethodDelegate:
-  virtual void DispatchKeyEventPostIME(const ui::KeyEvent& key) override;
+  void DispatchKeyEventPostIME(const ui::KeyEvent& key) override;
 
  private:
   // Closes all child windows. BridgedNativeWidget children will be destroyed.
   void RemoveOrDestroyChildren();
 
   // Remove the given |child| from |child_windows_|.
   void RemoveChildWindow(BridgedNativeWidget* child);
 
   // Notify descendants of a visibility change.
   void NotifyVisibilityChangeDown();
@@ skipping 78 matching lines @@
   // If true, the window is either visible, or wants to be visible but is
   // currently hidden due to having a hidden parent.
   bool wants_to_be_visible_;
 
   DISALLOW_COPY_AND_ASSIGN(BridgedNativeWidget);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_COCOA_BRIDGED_NATIVE_WIDGET_H_