ash: Animate changes in the uber tray.

ash/system/date/tray_date.cc

 // Copyright (c) 2012 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/system/date/tray_date.h"
 
 #include "ash/shell.h"
 #include "ash/system/date/date_view.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/system/tray/tray_constants.h"
+#include "ash/system/tray/tray_item_view.h"
 #include "ash/system/tray/tray_views.h"
 #include "base/i18n/time_formatting.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "base/timer.h"
 #include "base/utf_string_conversions.h"
 #include "grit/ui_resources.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkRect.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/image/image.h"
 #include "ui/gfx/size.h"
 #include "ui/views/controls/button/button.h"
 #include "ui/views/controls/button/text_button.h"
 #include "ui/views/controls/image_view.h"
 #include "ui/views/controls/label.h"
-#include "ui/views/layout/fill_layout.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/view.h"
 #include "ui/views/widget/widget.h"
 #include "unicode/datefmt.h"
 #include "unicode/fieldpos.h"
 #include "unicode/fmtable.h"
 
 namespace ash {
 namespace internal {
 
 TrayDate::TrayDate() {
 }
 
 TrayDate::~TrayDate() {
 }
 
 views::View* TrayDate::CreateTrayView(user::LoginStatus status) {
   date_tray_.reset(new tray::DateView(tray::DateView::TIME));
   date_tray_->set_border(
       views::Border::CreateEmptyBorder(0, 10, 0, 7));
   SetupLabelForTray(date_tray_->label());
   gfx::Font font = date_tray_->label()->font();
   date_tray_->label()->SetFont(
       font.DeriveFont(0, font.GetStyle() & ~gfx::Font::BOLD));
-  return date_tray_.get();
+
+  views::View* view = new TrayItemView;
+  view->AddChildView(date_tray_.get());
+  return view;
 }
 
 views::View* TrayDate::CreateDefaultView(user::LoginStatus status) {
   return NULL;
 }
 
 views::View* TrayDate::CreateDetailedView(user::LoginStatus status) {
   return NULL;
 }
 
@@ skipping 10 matching lines @@
 void TrayDate::OnDateFormatChanged() {
   date_tray_->UpdateTimeFormat();
 }
 
 void TrayDate::Refresh() {
   date_tray_->UpdateText();
 }
 
 }  // namespace internal
 }  // namespace ash