Initialize the message center as part of the testing browser process

chrome/browser/chromeos/net/network_portal_notification_controller_unittest.cc

 // Copyright 2014 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 "base/command_line.h"
 #include "base/macros.h"
 #include "chrome/browser/chromeos/login/users/fake_chrome_user_manager.h"
 #include "chrome/browser/chromeos/login/users/scoped_user_manager_enabler.h"
 #include "chrome/browser/chromeos/net/network_portal_notification_controller.h"
 #include "chromeos/chromeos_switches.h"
@@ skipping 54 matching lines @@
 class NetworkPortalNotificationControllerTest : public testing::Test {
  public:
   NetworkPortalNotificationControllerTest()
       : user_manager_enabler_(new chromeos::FakeChromeUserManager()),
         controller_(nullptr) {}
   ~NetworkPortalNotificationControllerTest() override {}
 
   void SetUp() override {
     base::CommandLine* cl = base::CommandLine::ForCurrentProcess();
     cl->AppendSwitch(switches::kEnableNetworkPortalNotification);
-    MessageCenter::Initialize();
     MessageCenter::Get()->AddObserver(&observer_);
   }
 
   void TearDown() override {
     MessageCenter::Get()->RemoveObserver(&observer_);
-    MessageCenter::Shutdown();
   }
 
  protected:
   void OnPortalDetectionCompleted(
       const NetworkState* network,
       const NetworkPortalDetector::CaptivePortalState& state) {
     controller_.OnPortalDetectionCompleted(network, state);
   }
 
   NotificationObserver& observer() { return observer_; }
@@ skipping 103 matching lines @@
   // Network was switched (by shill or by user) to wifi1. Notification
   // should be displayed.
   OnPortalDetectionCompleted(&wifi1, portal_state);
   ASSERT_TRUE(HasNotification());
   EXPECT_EQ(2u, observer().add_count());
   EXPECT_EQ(1u, observer().remove_count());
   EXPECT_EQ(1u, observer().update_count());
 }
 
 }  // namespace chromeos