arc: Add splash screen for ARC++ Kiosk startup

chrome/browser/chromeos/arc/arc_session_manager_unittest.cc

 // Copyright 2016 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 <memory>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 86 matching lines @@
   void StartUserAdding(const base::Closure& completion_callback) override {}
   void CancelUserAdding() override {}
   void StartSignInScreen(const chromeos::LoginScreenContext& context) override {
   }
   void OnPreferencesChanged() override {}
   void PrewarmAuthentication() override {}
   void StartAppLaunch(const std::string& app_id,
                       bool diagnostic_mode,
                       bool is_auto_launch) override {}
   void StartDemoAppLaunch() override {}
+  void StartArcKiosk(const AccountId& account_id) override {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(FakeLoginDisplayHost);
 };
 
 }  // namespace
 
 // Bool parameter is used to implement ArcSessionOobeOptInTest tests for
 // managed/unmanaged users. To prevent ambiguous testing::Test inheritance
 // implement derivation here, in base class.
@@ skipping 656 matching lines @@
   MaybeWaitForDataRemoved();
   EXPECT_EQ(ArcSessionManager::State::SHOWING_TERMS_OF_SERVICE,
             arc_session_manager()->state());
   CloseLoginDisplayHost();
   ReportActorDestroyed();
   EXPECT_EQ(ArcSessionManager::State::STOPPED, arc_session_manager()->state());
   EXPECT_FALSE(!IsManagedUser() && arc_session_manager()->IsArcEnabled());
 }
 
 }  // namespace arc