ash uber tray: Add entry for power and date.

ash/system/tray/system_tray.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/tray/system_tray.h"
 
 #include "ash/shell/panel_window.h"
 #include "ash/system/tray/system_tray_item.h"
 #include "ash/wm/shadow_types.h"
 #include "base/logging.h"
@@ skipping 12 matching lines @@
 
 class SystemTrayBubble : public views::BubbleDelegateView {
  public:
   SystemTrayBubble(ash::SystemTray* tray,
                    std::vector<ash::SystemTrayItem*>& items,
                    bool detailed)
       : views::BubbleDelegateView(tray, views::BubbleBorder::BOTTOM_RIGHT),
         tray_(tray),
         items_(items),
         detailed_(detailed) {
-    set_margin(1);
+    set_margin(0);
   }
 
   virtual ~SystemTrayBubble() {
     for (std::vector<ash::SystemTrayItem*>::iterator it = items_.begin();
         it != items_.end();
         ++it) {
       if (detailed_)
         (*it)->DestroyDetailedView();
       else
         (*it)->DestroyDefaultView();
@@ skipping 26 matching lines @@
 };
 
 }  // namespace
 
 namespace ash {
 
 SystemTray::SystemTray()
     : items_(),
       popup_(NULL) {
   SetLayoutManager(new views::BoxLayout(views::BoxLayout::kHorizontal,
-        5, 10, 3));
+        5, 0, 3));
+  set_background(views::Background::CreateSolidBackground(
+        SkColorSetARGB(127, 0, 0, 0)));
 }
 
 SystemTray::~SystemTray() {
   for (std::vector<SystemTrayItem*>::iterator it = items_.begin();
       it != items_.end();
       ++it) {
     (*it)->DestroyTrayView();
   }
 }
 
@@ skipping 36 matching lines @@
     ShowItems(items_, false);
   return true;
 }
 
 void SystemTray::OnWidgetClosing(views::Widget* widget) {
   CHECK_EQ(popup_, widget);
   popup_ = NULL;
 }
 
 }  // namespace ash