Revert of ChromeOS: Per-user time zone: refactor tests first.

chrome/browser/chromeos/scoped_set_running_on_chromeos_for_testing.cc

Index: chrome/browser/chromeos/scoped_set_running_on_chromeos_for_testing.cc
diff --git a/chrome/browser/chromeos/scoped_set_running_on_chromeos_for_testing.cc b/chrome/browser/chromeos/scoped_set_running_on_chromeos_for_testing.cc
deleted file mode 100644
index 55121cc8abef01eb03bbcc19e0bedeac7d980fdb..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/scoped_set_running_on_chromeos_for_testing.cc
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright 2017 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/chromeos/scoped_set_running_on_chromeos_for_testing.h"
-
-#include "base/sys_info.h"
-
-namespace chromeos {
-
-ScopedSetRunningOnChromeOSForTesting::ScopedSetRunningOnChromeOSForTesting(
-    const std::string& lsb_release,
-    const base::Time& lsb_release_time) {
-  base::SysInfo::SetChromeOSVersionInfoForTest(lsb_release, lsb_release_time);
-}
-
-ScopedSetRunningOnChromeOSForTesting::~ScopedSetRunningOnChromeOSForTesting() {
-  base::SysInfo::SetChromeOSVersionInfoForTest("", base::Time());
-}
-
-}  // namespace chromeos