Remove a race around NetworkChangeNotifier::test_notifications_only_

chrome/browser/chromeos/file_manager/file_manager_browsertest_base.h

 // 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_FILE_MANAGER_FILE_MANAGER_BROWSERTEST_BASE_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_MANAGER_FILE_MANAGER_BROWSERTEST_BASE_H_
 
 #include <map>
 #include <string>
 
@@ skipping 16 matching lines @@
 class LocalTestVolume;
 class DriveTestVolume;
 class FakeTestVolume;
 
 // The base test class.
 class FileManagerBrowserTestBase : public ExtensionApiTest {
  protected:
   FileManagerBrowserTestBase();
   ~FileManagerBrowserTestBase() override;
 
+  void SetUp() override;
+
   void SetUpInProcessBrowserTestFixture() override;
 
   void SetUpOnMainThread() override;
 
   // Adds an incognito and guest-mode flags for tests in the guest mode.
   void SetUpCommandLine(base::CommandLine* command_line) override;
 
   // Installs an extension at the specified |path| using the |manifest_name|
   // manifest.
   void InstallExtension(const base::FilePath& path, const char* manifest_name);
@@ skipping 21 matching lines @@
       Profile* profile);
   drive::DriveIntegrationServiceFactory::FactoryCallback
       create_drive_integration_service_;
   scoped_ptr<drive::DriveIntegrationServiceFactory::ScopedFactoryForTest>
       service_factory_for_test_;
 };
 
 }  // namespace file_manager
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_MANAGER_FILE_MANAGER_BROWSERTEST_BASE_H_