Move calling of shared browser test methods like SetUpOnMainThread/TearDownOnMainThread/RunTestOn...

chrome/browser/downgrade/user_data_downgrade_browsertest.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 "chrome/browser/downgrade/user_data_downgrade.h"
 
 #include "base/files/file_util.h"
 #include "base/path_service.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/test_reg_util_win.h"
@@ skipping 65 matching lines @@
   // content::BrowserTestBase:
   void SetUpInProcessBrowserTestFixture() override {
     UserDataDowngradeBrowserTestBase::SetUpInProcessBrowserTestFixture();
     key_.WriteValue(L"DowngradeVersion",
                     base::ASCIIToUTF16(GetNextChromeVersion()).c_str());
     key_.WriteValue(google_update::kRegMSIField, 1);
   }
 
   // InProcessBrowserTest:
   // Verify the content of renamed user data directory.
-  void RunTestOnMainThreadLoop() override {
+  void SetUpOnMainThread() override {
     ASSERT_TRUE(base::DirectoryExists(moved_user_data_dir_));
     ASSERT_TRUE(
         base::PathExists(moved_user_data_dir_.Append(other_file_.BaseName())));
     EXPECT_EQ(GetNextChromeVersion(),
               GetLastVersion(moved_user_data_dir_).GetString());
-    InProcessBrowserTest::RunTestOnMainThreadLoop();
+    UserDataDowngradeBrowserTestBase::SetUpOnMainThread();
   }
 };
 
 class UserDataDowngradeBrowserNoResetTest
     : public UserDataDowngradeBrowserTestBase {
  protected:
   // content::BrowserTestBase:
   void SetUpInProcessBrowserTestFixture() override {
     UserDataDowngradeBrowserTestBase::SetUpInProcessBrowserTestFixture();
     key_.WriteValue(google_update::kRegMSIField, 1);
@@ skipping 23 matching lines @@
   ASSERT_TRUE(base::PathExists(other_file_));
 }
 
 // Verify the "Last Version" file won't be created for non-msi install.
 IN_PROC_BROWSER_TEST_F(UserDataDowngradeBrowserNoMSITest, Test) {
   ASSERT_FALSE(base::PathExists(last_version_file_path_));
   ASSERT_TRUE(base::PathExists(other_file_));
 }
 
 }  // namespace downgrade