Makes views be initially hidden

mojo/views/native_widget_view_manager.cc

 // 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.
 
 #include "mojo/views/native_widget_view_manager.h"
 
 #include "mojo/aura/window_tree_host_mojo.h"
 #include "mojo/converters/geometry/geometry_type_converters.h"
 #include "mojo/converters/input_events/input_events_type_converters.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 113 matching lines @@
     view_->RemoveObserver(this);
 }
 
 void NativeWidgetViewManager::InitNativeWidget(
     const views::Widget::InitParams& in_params) {
   views::Widget::InitParams params(in_params);
   params.parent = window_tree_host_->window();
   NativeWidgetAura::InitNativeWidget(params);
 }
 
+void NativeWidgetViewManager::OnWindowVisibilityChanged(aura::Window* window,
+                                                        bool visible) {
+  view_->SetVisible(visible);
+  // NOTE: We could also update aura::Window's visibility when the View's
+  // visibilty changes, but this code isn't going to be around for very long so
+  // I'm not bothering.
+}
+
 void NativeWidgetViewManager::OnViewDestroyed(View* view) {
   DCHECK_EQ(view, view_);
   view->RemoveObserver(this);
   view_ = NULL;
   // TODO(sky): WindowTreeHostMojo assumes the View outlives it.
   // NativeWidgetViewManager needs to deal, likely by deleting this.
 }
 
 void NativeWidgetViewManager::OnViewBoundsChanged(View* view,
                                                   const Rect& old_bounds,
                                                   const Rect& new_bounds) {
   gfx::Rect view_rect = view->bounds().To<gfx::Rect>();
   GetWidget()->SetBounds(gfx::Rect(view_rect.size()));
 }
 
 void NativeWidgetViewManager::OnViewInputEvent(View* view,
                                                const EventPtr& event) {
   scoped_ptr<ui::Event> ui_event(event.To<scoped_ptr<ui::Event> >());
   if (ui_event)
     window_tree_host_->SendEventToProcessor(ui_event.get());
 }
 
 }  // namespace mojo