[Sync] Move //sync to //components/sync.

sync/internal_api/public/base/stop_source.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 SYNC_INTERNAL_API_PUBLIC_BASE_STOP_SOURCE_H_
-#define SYNC_INTERNAL_API_PUBLIC_BASE_STOP_SOURCE_H_
-
-namespace syncer {
-
-// Enumerate the main sources that can turn off sync. This enum is used to
-// back a UMA histogram and should be treated as append-only.
-//
-// A Java counterpart will be generated for this enum.
-// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.sync
-enum StopSource {
-  PROFILE_DESTRUCTION,   // The user destroyed the profile.
-  SIGN_OUT,              // The user signed out of Chrome.
-  BIRTHDAY_ERROR,        // A dashboard stop-and-clear on the server.
-  CHROME_SYNC_SETTINGS,  // The on/off switch in settings for mobile Chrome.
-  ANDROID_CHROME_SYNC,   // Android's sync setting for Chrome.
-  ANDROID_MASTER_SYNC,   // Android's master sync setting.
-  STOP_SOURCE_LIMIT,
-};
-
-}  // namespace syncer
-
-#endif  // SYNC_INTERNAL_API_PUBLIC_BASE_STOP_SOURCE_H_