Makes views be initially hidden

mojo/views/native_widget_view_manager.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 MOJO_VIEWS_NATIVE_WIDGET_VIEW_MANAGER_H_
 #define MOJO_VIEWS_NATIVE_WIDGET_VIEW_MANAGER_H_
 
 #include "mojo/services/public/cpp/view_manager/view_observer.h"
 #include "ui/views/widget/native_widget_aura.h"
 
@@ skipping 17 matching lines @@
 
 class Shell;
 class WindowTreeHostMojo;
 
 class NativeWidgetViewManager : public views::NativeWidgetAura,
                                 public ViewObserver {
  public:
   NativeWidgetViewManager(views::internal::NativeWidgetDelegate* delegate,
                           Shell* shell,
                           View* view);
-  virtual ~NativeWidgetViewManager();
+  ~NativeWidgetViewManager() override;
 
  private:
   // Overridden from internal::NativeWidgetAura:
-  virtual void InitNativeWidget(
-      const views::Widget::InitParams& in_params) override;
+  void InitNativeWidget(const views::Widget::InitParams& in_params) override;
+  void OnWindowVisibilityChanged(aura::Window* window, bool visible) override;
 
   // ViewObserver:
-  virtual void OnViewDestroyed(View* view) override;
-  virtual void OnViewBoundsChanged(View* view,
-                                   const Rect& old_bounds,
-                                   const Rect& new_bounds) override;
-  virtual void OnViewInputEvent(View* view, const EventPtr& event) override;
+  void OnViewDestroyed(View* view) override;
+  void OnViewBoundsChanged(View* view,
+                           const Rect& old_bounds,
+                           const Rect& new_bounds) override;
+  void OnViewInputEvent(View* view, const EventPtr& event) override;
 
   scoped_ptr<WindowTreeHostMojo> window_tree_host_;
 
   scoped_ptr<wm::FocusController> focus_client_;
 
   scoped_ptr<ui::internal::InputMethodDelegate> ime_filter_;
 
   View* view_;
 
   scoped_ptr<aura::client::DefaultCaptureClient> capture_client_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetViewManager);
 };
 
 }  // namespace mojo
 
 #endif  // MOJO_VIEWS_NATIVE_WIDGET_VIEW_MANAGER_H_