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

sync/android/java/src/org/chromium/sync/signin/AccountManagerDelegate.java

-// Copyright 2012 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.
-
-package org.chromium.sync.signin;
-
-import android.accounts.Account;
-import android.accounts.AuthenticatorDescription;
-
-import org.chromium.base.Callback;
-
-/**
- * Wrapper around the Android account manager, to facilitate dependency injection during testing.
- */
-public interface AccountManagerDelegate {
-    /**
-     * This method is deprecated; please use the asynchronous version below instead.
-     *
-     * See http://crbug.com/517697 for details.
-     */
-    Account[] getAccountsByType(String type);
-
-    /**
-     * Get all the accounts for a given {@code type}.
-     */
-    void getAccountsByType(String type, Callback<Account[]> callback);
-
-    /**
-     * Get an auth token. This should only be called on a background thread.
-     *
-     * @param account The {@link Account} for which the auth token is requested.
-     * @param authTokenScope The scope of the authToken being requested.
-     * @return The auth token fetched from the authenticator.
-     * @throws AuthException Indicates a failure in fetching the auth token perhaps due to a
-     * transient error or when user intervention is required (like confirming the credentials)
-     * which is expressed as an {@link Intent} to the handler.
-     */
-    String getAuthToken(Account account, String authTokenScope) throws AuthException;
-
-    /**
-     * @param authToken The auth token to invalidate.
-     * @throws AuthException Indicates a failure clearing the auth token; can be transient.
-     */
-    void invalidateAuthToken(String authToken) throws AuthException;
-
-    /**
-     * Get all the available authenticator types.
-     */
-    AuthenticatorDescription[] getAuthenticatorTypes();
-
-    /**
-     * Check whether the {@code account} has all the features listed in {@code features}.
-     */
-    void hasFeatures(Account account, String[] features, Callback<Boolean> callback);
-}