Minor clean up in DBusClient, DBusThreadManager, and FakeDBusThreadManager code.

chromeos/dbus/dbus_thread_manager.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 "chromeos/dbus/dbus_thread_manager.h"
 
-#include <map>
-
 #include "base/command_line.h"
 #include "base/observer_list.h"
 #include "base/sys_info.h"
 #include "base/threading/thread.h"
 #include "chromeos/chromeos_switches.h"
 #include "chromeos/dbus/bluetooth_adapter_client.h"
 #include "chromeos/dbus/bluetooth_agent_manager_client.h"
 #include "chromeos/dbus/bluetooth_device_client.h"
 #include "chromeos/dbus/bluetooth_gatt_characteristic_client.h"
 #include "chromeos/dbus/bluetooth_gatt_descriptor_client.h"
@@ skipping 231 matching lines @@
   scoped_ptr<SessionManagerClient> session_manager_client_;
   scoped_ptr<SMSClient> sms_client_;
   scoped_ptr<UpdateEngineClient> update_engine_client_;
 
   DISALLOW_COPY_AND_ASSIGN(DBusClientBundle);
 };
 
 // The DBusThreadManager implementation used in production.
 class DBusThreadManagerImpl : public DBusThreadManager {
  public:
-  explicit DBusThreadManagerImpl() {
+  DBusThreadManagerImpl() {
     // Create the D-Bus thread.
     base::Thread::Options thread_options;
     thread_options.message_loop_type = base::MessageLoop::TYPE_IO;
     dbus_thread_.reset(new base::Thread("D-Bus thread"));
     dbus_thread_->StartWithOptions(thread_options);
 
     // Create the connection to the system bus.
     dbus::Bus::Options system_bus_options;
     system_bus_options.bus_type = dbus::Bus::SYSTEM;
     system_bus_options.connection_type = dbus::Bus::PRIVATE;
@@ skipping 189 matching lines @@
   }
 
   // Note: Keep this before other members so they can call AddObserver() in
   // their c'tors.
   ObserverList<DBusThreadManagerObserver> observers_;
 
   scoped_ptr<base::Thread> dbus_thread_;
   scoped_refptr<dbus::Bus> system_bus_;
   scoped_ptr<DBusClientBundle> client_bundle_;
   scoped_ptr<PowerPolicyController> power_policy_controller_;
+
+  DISALLOW_COPY_AND_ASSIGN(DBusThreadManagerImpl);
 };
 
 // static
 void DBusThreadManager::Initialize() {
   // If we initialize DBusThreadManager twice we may also be shutting it down
   // early; do not allow that.
   CHECK(g_dbus_thread_manager == NULL);
 
   if (g_dbus_thread_manager_for_testing) {
     g_dbus_thread_manager = g_dbus_thread_manager_for_testing;
@@ skipping 139 matching lines @@
     g_dbus_thread_manager->GetSystemBus()->GetManagedObjects();
 }
 
 // static
 void DBusThreadManager::InitClient(DBusClient* client) {
   if (client)
     client->Init(g_dbus_thread_manager->GetSystemBus());
 }
 
 }  // namespace chromeos