chromeos: Change all clients of UpdateLibrary to use UpdateEngineClient.

chrome/browser/chromeos/dbus/dbus_thread_manager.h

 // Copyright (c) 2011 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 CHROME_BROWSER_CHROMEOS_DBUS_DBUS_THREAD_MANAGER_H_
 #define CHROME_BROWSER_CHROMEOS_DBUS_DBUS_THREAD_MANAGER_H_
 #pragma once
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/ref_counted.h"
 
 namespace base {
 class Thread;
 };
 
 namespace dbus {
 class Bus;
 };
 
 namespace chromeos {
 
 class BluetoothAdapterClient;
 class BluetoothManagerClient;
 class CrosDisksClient;
 class PowerManagerClient;
 class SessionManagerClient;
 class SensorsClient;
 class SpeechSynthesizerClient;
+class UpdateEngineClient;
 
 // DBusThreadManager manages the D-Bus thread, the thread dedicated to
 // handling asynchronous D-Bus operations.
 //
 // This class also manages D-Bus connections and D-Bus clients, which
 // depend on the D-Bus thread to ensure the right order of shutdowns for
 // the D-Bus thread, the D-Bus connections, and the D-Bus clients.
 //
 // CALLBACKS IN D-BUS CLIENTS:
 //
@@ skipping 55 matching lines @@
   // Returns the speech synthesizer client, owned by DBusThreadManager.
   // Do not cache this pointer and use it after DBusThreadManager is shut
   // down.
   virtual SpeechSynthesizerClient* GetSpeechSynthesizerClient() = 0;
 
   // Returns the cros-disks client, owned by DBusThreadManager.
   // Do not cache this pointer and use it after DBusThreadManager is shut
   // down.
   virtual CrosDisksClient* GetCrosDisksClient() = 0;
 
+  // Returns the update engine client, owned by DBusThreadManager.  Do not
+  // cache this pointer and use it after DBusThreadManager is shut down.
+  virtual UpdateEngineClient* GetUpdateEngineClient() = 0;
+
   virtual ~DBusThreadManager();
 
  protected:
   DBusThreadManager();
 
   DISALLOW_COPY_AND_ASSIGN(DBusThreadManager);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_DBUS_DBUS_THREAD_MANAGER_H_