ash: Add a bluetooth entry in the uber tray.

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.h"
 #include "ash/shell/panel_window.h"
 #include "ash/shell_window_ids.h"
 #include "ash/system/tray/tray_constants.h"
@@ skipping 358 matching lines @@
 
 }  // namespace internal
 
 NetworkIconInfo::NetworkIconInfo()
     : highlight(false) {
 }
 
 NetworkIconInfo::~NetworkIconInfo() {
 }
 
+BluetoothDeviceInfo::BluetoothDeviceInfo()
+    : connected(false) {
+}
+
+BluetoothDeviceInfo::~BluetoothDeviceInfo() {
+}
+
 IMEInfo::IMEInfo()
     : selected(false) {
 }
 
 IMEInfo::~IMEInfo() {
 }
 
 SystemTray::SystemTray()
     : items_(),
       accessibility_observer_(NULL),
       audio_observer_(NULL),
+      bluetooth_observer_(NULL),
       brightness_observer_(NULL),
       caps_lock_observer_(NULL),
       clock_observer_(NULL),
       ime_observer_(NULL),
       network_observer_(NULL),
       power_status_observer_(NULL),
       update_observer_(NULL),
       user_observer_(NULL),
       bubble_(NULL),
       popup_(NULL) {
@@ skipping 139 matching lines @@
   SchedulePaint();
 }
 
 void SystemTray::OnWidgetClosing(views::Widget* widget) {
   CHECK_EQ(popup_, widget);
   popup_ = NULL;
   bubble_ = NULL;
 }
 
 }  // namespace ash