Revert of Move more utility functions to arc_util.

chrome/browser/chromeos/arc/arc_util.h

Index: chrome/browser/chromeos/arc/arc_util.h
diff --git a/chrome/browser/chromeos/arc/arc_util.h b/chrome/browser/chromeos/arc/arc_util.h
deleted file mode 100644
index 9f7422dfade687d811df6f155df68913cfa60a19..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/arc/arc_util.h
+++ /dev/null
@@ -1,36 +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.
-
-#ifndef CHROME_BROWSER_CHROMEOS_ARC_ARC_UTIL_H_
-#define CHROME_BROWSER_CHROMEOS_ARC_ARC_UTIL_H_
-
-// Most utility should be put in components/arc/arc_util.{h,cc}, rather than
-// here. However, some utility implementation requires other modules defined in
-// chrome/, so this file contains such utilities.
-// Note that it is not allowed to have dependency from components/ to chrome/
-// by DEPS.
-
-class Profile;
-
-namespace arc {
-
-// Returns true if ARC is allowed to run for the given profile.
-// Otherwise, returns false, e.g. if the Profile is not for the primary user,
-// ARC is not available on the device, it is in the flow to set up managed
-// account creation.
-// nullptr can be safely passed to this function. In that case, returns false.
-bool IsArcAllowedForProfile(const Profile* profile);
-
-// Disallows ARC for all profiles for testing.
-// In most cases, disabling ARC should be done via commandline. However,
-// there are some cases to be tested where ARC is available, but ARC is not
-// supported for some reasons (e.g. incognito mode, supervised user,
-// secondary profile). On the other hand, some test infra does not support
-// such situations (e.g. API test). This is for workaround to emulate the
-// case.
-void DisallowArcForTesting();
-
-}  // namespace arc
-
-#endif  // CHROME_BROWSER_CHROMEOS_ARC_ARC_UTIL_H_