Android: Remove GetApplicationContext part 2

chrome/android/javatests/src/org/chromium/chrome/test/util/ChromeSigninUtilsTest.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.test.util;
 
 import android.support.test.InstrumentationRegistry;
 import android.support.test.filters.SmallTest;
 
 import org.junit.After;
@@ skipping 18 matching lines @@
     private static final String GOOGLE_ACCOUNT_USERNAME = "chromiumforandroid01@gmail.com";
     private static final String GOOGLE_ACCOUNT_PASSWORD = "chromeforandroid";
     private static final String GOOGLE_ACCOUNT_TYPE = "mail";
 
     private ChromeSigninUtils mSigninUtil;
     private ChromeSigninController mSigninController;
 
     @Before
     public void setUp() throws Exception {
         mSigninUtil = new ChromeSigninUtils(InstrumentationRegistry.getInstrumentation());
-        mSigninController = ChromeSigninController.get(
-                InstrumentationRegistry.getInstrumentation().getTargetContext());
+        mSigninController = ChromeSigninController.get();
         mSigninController.setSignedInAccountName(null);
         mSigninUtil.removeAllFakeAccountsFromOs();
         mSigninUtil.removeAllGoogleAccountsFromOs();
     }
 
     @Test
     @SmallTest
     public void testActivityIsNotSignedInOnAppOrFakeOSorGoogleOS() {
         Assert.assertFalse("Should not be signed into app.", mSigninController.isSignedIn());
         Assert.assertFalse("Should not be signed into OS with fake account.",
@@ skipping 96 matching lines @@
                 mSigninUtil.isExistingGoogleAccountOnOs(GOOGLE_ACCOUNT_USERNAME));
     }
 
     @After
     public void tearDown() throws Exception {
         mSigninController.setSignedInAccountName(null);
         mSigninUtil.removeAllFakeAccountsFromOs();
         mSigninUtil.removeAllGoogleAccountsFromOs();
     }
 }