Convert ChromeSyncShell to use ChromePublic infrastructure

chrome/android/java/src/org/chromium/chrome/browser/sync/SyncController.java

 // 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.
 
 package org.chromium.chrome.browser.sync;
 
 import android.accounts.Account;
 import android.app.Activity;
 import android.content.Context;
 import android.util.Log;
 
 import org.chromium.base.ThreadUtils;
+import org.chromium.base.VisibleForTesting;
 import org.chromium.chrome.browser.identity.UniqueIdentificationGeneratorFactory;
 import org.chromium.chrome.browser.invalidation.InvalidationController;
 import org.chromium.chrome.browser.signin.AccountManagementFragment;
 import org.chromium.chrome.browser.signin.SigninManager;
 import org.chromium.chrome.browser.signin.SigninManager.SignInFlowObserver;
 import org.chromium.chrome.browser.sync.ui.PassphraseActivity;
 import org.chromium.sync.AndroidSyncSettings;
 import org.chromium.sync.signin.AccountManagerHelper;
 import org.chromium.sync.signin.ChromeSigninController;
 
@@ skipping 69 matching lines @@
 
     /**
      * Trigger Chromium sign in of the given account.
      *
      * This also ensure that sync setup is not in progress anymore, so sync will start after
      * sync initialization has happened.
      *
      * @param activity the current activity.
      * @param accountName the full account name.
      */
+    @VisibleForTesting
     public void signIn(Activity activity, String accountName) {
         final Account account = AccountManagerHelper.createAccountFromName(accountName);
 
         // The SigninManager handles most of the sign-in flow, and doFinishSignIn handles the
         // ChromeShell specific details.
         SigninManager signinManager = SigninManager.get(mContext);
         signinManager.onFirstRunCheckDone();
         final boolean passive = false;
         signinManager.startSignIn(activity, account, passive, new SignInFlowObserver() {
             @Override
@@ skipping 87 matching lines @@
         });
     }
 
     /**
      * Returns the SyncNotificationController.
      */
     public SyncNotificationController getSyncNotificationController() {
         return mSyncNotificationController;
     }
 }