Initialize the message center as part of the testing browser process

chrome/test/base/view_event_test_platform_part_chromeos.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 "chrome/test/base/view_event_test_platform_part.h"
 
 #include <memory>
 
 #include "ash/common/material_design/material_design_controller.h"
 #include "ash/common/test/test_session_state_delegate.h"
 #include "ash/shell.h"
 #include "ash/shell_init_params.h"
 #include "ash/test/ash_test_helper.h"
 #include "ash/test/test_shell_delegate.h"
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "chromeos/audio/cras_audio_handler.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "chromeos/network/network_handler.h"
 #include "content/public/browser/browser_thread.h"
 #include "device/bluetooth/dbus/bluez_dbus_manager.h"
 #include "ui/aura/env.h"
 #include "ui/aura/window_tree_host.h"
 #include "ui/display/display_switches.h"
-#include "ui/message_center/message_center.h"
 #include "ui/wm/core/wm_state.h"
 
 namespace {
 
 // ViewEventTestPlatformPart implementation for ChromeOS (chromeos=1).
 class ViewEventTestPlatformPartChromeOS : public ViewEventTestPlatformPart {
  public:
   explicit ViewEventTestPlatformPartChromeOS(
       ui::ContextFactory* context_factory);
   ~ViewEventTestPlatformPartChromeOS() override;
 
   // Overridden from ViewEventTestPlatformPart:
   gfx::NativeWindow GetContext() override {
     return ash::Shell::GetPrimaryRootWindow();
   }
 
  private:
   wm::WMState wm_state_;
   std::unique_ptr<aura::Env> env_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewEventTestPlatformPartChromeOS);
 };
 
 ViewEventTestPlatformPartChromeOS::ViewEventTestPlatformPartChromeOS(
     ui::ContextFactory* context_factory) {
-  // Ash Shell can't just live on its own without a browser process, we need to
-  // also create the message center.
-  message_center::MessageCenter::Initialize();
+  // Ash Shell can't just live on its own without a browser process.
   chromeos::DBusThreadManager::Initialize();
   bluez::BluezDBusManager::Initialize(
       chromeos::DBusThreadManager::Get()->GetSystemBus(),
       chromeos::DBusThreadManager::Get()->IsUsingFakes());
   chromeos::CrasAudioHandler::InitializeForTesting();
   chromeos::NetworkHandler::Initialize();
   ash::MaterialDesignController::Initialize();
 
   env_ = aura::Env::CreateInstance();
   ash::test::TestShellDelegate* shell_delegate =
@@ skipping 11 matching lines @@
 }
 
 ViewEventTestPlatformPartChromeOS::~ViewEventTestPlatformPartChromeOS() {
   ash::Shell::DeleteInstance();
   env_.reset();
 
   chromeos::NetworkHandler::Shutdown();
   chromeos::CrasAudioHandler::Shutdown();
   bluez::BluezDBusManager::Shutdown();
   chromeos::DBusThreadManager::Shutdown();
-  // Ash Shell can't just live on its own without a browser process, we need to
-  // also shut down the message center.
-  message_center::MessageCenter::Shutdown();
 }
 
 }  // namespace
 
 // static
 ViewEventTestPlatformPart* ViewEventTestPlatformPart::Create(
     ui::ContextFactory* context_factory) {
   return new ViewEventTestPlatformPartChromeOS(context_factory);
 }