Remove unnecessary condition.

dbus/bus.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 "dbus/bus.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/message_loop_proxy.h"
@@ skipping 857 matching lines @@
                                   this));
 }
 
 void Bus::OnConnectionDisconnected(DBusConnection* connection) {
   AssertOnDBusThread();
 
   if (!connection)
     return;
   DCHECK(!dbus_connection_get_is_connected(connection));
 
-  if (shutdown_completed_)
-    return;  // Do nothing if the shutdown is already completed.
-
-  // Unexpected disconnection, maybe the peer closes the connection.
-  DCHECK_EQ(connection, connection_);
   ShutdownAndBlock();
 }
 
 dbus_bool_t Bus::OnAddWatchThunk(DBusWatch* raw_watch, void* data) {
   Bus* self = static_cast<Bus*>(data);
   return self->OnAddWatch(raw_watch);
 }
 
 void Bus::OnRemoveWatchThunk(DBusWatch* raw_watch, void* data) {
   Bus* self = static_cast<Bus*>(data);
@@ skipping 36 matching lines @@
                              kDisconnectedSignal)) {
     Bus* self = static_cast<Bus*>(data);
     self->AssertOnDBusThread();
     self->OnConnectionDisconnected(connection);
     return DBUS_HANDLER_RESULT_HANDLED;
   }
   return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
 }
 
 }  // namespace dbus