Generalize InterfacePtrSet for [Associated]InterfacePtr.

mash/session/session.cc

 // Copyright 2015 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 "mash/session/session.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "mash/login/public/interfaces/login.mojom.h"
@@ skipping 43 matching lines @@
 
 void Session::SwitchUser() {
   mash::login::mojom::LoginPtr login;
   connector_->ConnectToInterface("mojo:login", &login);
   login->SwitchUser();
 }
 
 void Session::AddScreenlockStateListener(
     mojom::ScreenlockStateListenerPtr listener) {
   listener->ScreenlockStateChanged(screen_locked_);
-  screenlock_listeners_.AddInterfacePtr(std::move(listener));
+  screenlock_listeners_.AddPtr(std::move(listener));
 }
 
 void Session::LockScreen() {
   if (screen_locked_)
     return;
   screen_locked_ = true;
   screenlock_listeners_.ForAllPtrs(
       [](mojom::ScreenlockStateListener* listener) {
         listener->ScreenlockStateChanged(true);
       });
@@ skipping 65 matching lines @@
   if (connection) {
     connection->SetConnectionLostClosure(
         base::Bind(&LogAndCallServiceRestartCallback, url, restart_callback));
     connection->AddInterface<mojom::Session>(this);
     connections_[url] = std::move(connection);
   }
 }
 
 }  // namespace session
 }  // namespace main