Initialize the message center as part of the testing browser process

chrome/browser/browser_process_impl_unittest.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 "chrome/browser/browser_process_impl.h"
 
 #include <memory>
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 12 matching lines @@
   BrowserProcessImplTest()
       : stashed_browser_process_(g_browser_process),
         loop_(base::MessageLoop::TYPE_UI),
         ui_thread_(content::BrowserThread::UI, &loop_),
         file_thread_(
             new content::TestBrowserThread(content::BrowserThread::FILE)),
         io_thread_(new content::TestBrowserThread(content::BrowserThread::IO)),
         command_line_(base::CommandLine::NO_PROGRAM),
         browser_process_impl_(
             new BrowserProcessImpl(base::ThreadTaskRunnerHandle::Get().get(),
-                                   command_line_)) {
+                                   command_line_,
+                                   false)) {
     base::SetRecordActionTaskRunner(loop_.task_runner());
     browser_process_impl_->SetApplicationLocale("en");
   }
 
   ~BrowserProcessImplTest() override {
     g_browser_process = nullptr;
     browser_process_impl_.reset();
     // Restore the original browser process.
     g_browser_process = stashed_browser_process_;
   }
@@ skipping 51 matching lines @@
   // Pass ownership to the ProfileManager so that it manages the destruction.
   browser_process_impl()->profile_manager()->RegisterTestingProfile(
       profile.release(), false, false);
 
   // Tear down the BrowserProcessImpl and the threads.
   browser_process_impl()->StartTearDown();
   DestroySecondaryThreads();
   browser_process_impl()->PostDestroyThreads();
 }
 #endif  // !defined(OS_ANDROID) && !defined(OS_CHROMEOS)