rm notification about lack of Google Play Services

chrome/android/java/src/org/chromium/chrome/browser/signin/AccountIdProvider.java

 // Copyright 2014 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.signin;
 
 import android.app.Activity;
 import android.content.Context;
 
 import com.google.android.gms.auth.GoogleAuthException;
@@ skipping 39 matching lines @@
             return null;
         }
     }
 
     /**
      * Returns whether the AccountIdProvider can be used.
      * Since the AccountIdProvider queries Google Play services, this basically checks whether
      * Google Play services is available.
      *
      * @param activity If an activity is provided, it will be used to show a Modal Dialog notifying
      * the user to update Google Play services, else a System notification is shown.

[Ian Wen, 2016/01/04 03:55:31]

You should update this javadoc as well.

      */
     public boolean canBeUsed(Context ctx, @Nullable Activity activity) {
-        UserRecoverableErrorHandler errorHandler = activity != null
-                ? new UserRecoverableErrorHandler.ModalDialog(activity)
-                : new UserRecoverableErrorHandler.SystemNotification();
-        return ExternalAuthUtils.getInstance().canUseGooglePlayServices(ctx, errorHandler);
+        return ExternalAuthUtils.getInstance().canUseGooglePlayServices(ctx,
+                new UserRecoverableErrorHandler.Silent());
     }
 
     /**
      * Gets the global account Id provider.
      */
     public static AccountIdProvider getInstance() {
         ThreadUtils.assertOnUiThread();
         if (sProvider == null) sProvider = new AccountIdProvider();
         return sProvider;
     }
 
     /**
      * For testing purposes only, allows to set the provider even if it has already been
      * initialized.
      */
     @VisibleForTesting
     public static void setInstanceForTest(AccountIdProvider provider) {
         ThreadUtils.assertOnUiThread();
         sProvider = provider;
     }
 }