[Remoting Android] Fix Deprecated API Warnings

remoting/android/java/src/org/chromium/chromoting/base/OAuthTokenFetcher.java

 // Copyright 2016 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.chromoting.base;
 
+import android.accounts.Account;
 import android.app.Activity;
 import android.content.Context;
 import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.Looper;
 
 import com.google.android.gms.auth.GoogleAuthException;
 import com.google.android.gms.auth.GoogleAuthUtil;
 import com.google.android.gms.auth.UserRecoverableAuthException;
 
@@ skipping 76 matching lines @@
 
     private void fetchImpl(final String expiredToken) {
         new AsyncTask<Void, Void, Void>() {
             @Override
             protected Void doInBackground(Void... params) {
                 try {
                     if (expiredToken != null) {
                         GoogleAuthUtil.clearToken(mContext, expiredToken);
                     }
 
-                    // This method is deprecated but its replacement is not yet available.
-                    // TODO(lambroslambrou): Fix this by replacing |mAccountName| with an instance
-                    // of android.accounts.Account.
-                    String token = GoogleAuthUtil.getToken(mContext, mAccountName, mTokenScope);
+                    Account account = new Account(mAccountName, GoogleAuthUtil.GOOGLE_ACCOUNT_TYPE);
+                    String token = GoogleAuthUtil.getToken(mContext, account, mTokenScope);
                     handleTokenReceived(token);
                 } catch (IOException ioException) {
                     handleError(Error.NETWORK);
                 } catch (UserRecoverableAuthException recoverableException) {
                     handleRecoverableException(recoverableException);
                 } catch (GoogleAuthException fatalException) {
                     handleError(Error.UNEXPECTED);
                 }
                 return null;
             }
@@ skipping 27 matching lines @@
         final Activity activity = (Activity) mContext;
         activity.runOnUiThread(new Runnable() {
             @Override
             public void run() {
                 activity.startActivityForResult(exception.getIntent(),
                         REQUEST_CODE_RECOVER_FROM_OAUTH_ERROR);
             }
         });
     }
 }