Add check for GmsCore before showing AccountSigninActivity.

chrome/android/javatests/src/org/chromium/chrome/browser/signin/SigninTest.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.signin;
 
 import android.app.Activity;
 import android.app.DialogFragment;
 import android.app.Fragment;
 import android.app.Instrumentation.ActivityMonitor;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.preference.Preference;
 import android.support.v7.app.AlertDialog;
 import android.test.suitebuilder.annotation.MediumTest;
 import android.widget.Button;
 
 import org.chromium.base.ThreadUtils;
+import org.chromium.base.test.util.Restriction;
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.bookmarks.BookmarkBridge;
 import org.chromium.chrome.browser.preferences.MainPreferences;
 import org.chromium.chrome.browser.preferences.PrefServiceBridge;
 import org.chromium.chrome.browser.preferences.Preferences;
 import org.chromium.chrome.browser.preferences.SignInPreference;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.sync.ProfileSyncService;
 import org.chromium.chrome.test.ChromeTabbedActivityTestBase;
 import org.chromium.chrome.test.util.ActivityUtils;
+import org.chromium.chrome.test.util.ChromeRestriction;
 import org.chromium.chrome.test.util.browser.signin.SigninTestUtil;
 import org.chromium.components.bookmarks.BookmarkId;
 import org.chromium.content.browser.test.util.TestTouchUtils;
 import org.chromium.sync.signin.ChromeSigninController;
 import org.chromium.sync.test.util.MockAccountManager;
 
 /**
  * Test suite for sign in tests.
  *
  * These tests cover the sign in flow for both consumer and managed accounts. They also verify
@@ skipping 238 matching lines @@
         });
         super.tearDown();
     }
 
     @Override
     public void startMainActivity() throws InterruptedException {
         startMainActivityOnBlankPage();
     }
 
     @MediumTest
+    @Restriction(ChromeRestriction.RESTRICTION_TYPE_GOOGLE_PLAY_SERVICES)
     public void testConsumerSignin() throws InterruptedException {
         SigninTestUtil.addTestAccount();
         signInToSingleAccount();
 
         ThreadUtils.runOnUiThreadBlocking(new Runnable() {
             @Override
             public void run() {
                 // Verify that the account isn't managed.
                 assertNull(mSigninManager.getManagementDomain());
 
@@ skipping 140 matching lines @@
         getInstrumentation().waitForIdleSync();
         DialogFragment fragment = ActivityUtils.waitForFragment(activity, tag);
         AlertDialog dialog = (AlertDialog) fragment.getDialog();
         assertTrue(dialog != null);
         assertTrue(dialog.isShowing());
         Button button = dialog.getButton(DialogInterface.BUTTON_POSITIVE);
         assertNotNull("Could not find the accept button.", button);
         TestTouchUtils.performClickOnMainSync(getInstrumentation(), button);
     }
 }