Revert of Android: Remove GetApplicationContext part 2

chrome/android/javatests/src/org/chromium/chrome/browser/sync/ui/PassphraseActivityTest.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.ui;
 
 import android.app.Instrumentation.ActivityMonitor;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ skipping 52 matching lines @@
     @Feature({"Sync"})
     @RetryOnFailure
     public void testCallbackAfterBackgrounded() throws Exception {
         InstrumentationRegistry.getInstrumentation().waitForIdleSync();
         SigninTestUtil.addAndSignInTestAccount();
 
         // Override before creating the activity so we know initialized is false.
         overrideProfileSyncService();
 
         // PassphraseActivity won't start if an account isn't set.
-        Assert.assertNotNull(ChromeSigninController.get().getSignedInAccountName());
+        Assert.assertNotNull(ChromeSigninController.get(mContext).getSignedInAccountName());
 
         // Create the activity.
         final PassphraseActivity activity = launchPassphraseActivity();
         Assert.assertNotNull(activity);
         ThreadUtils.runOnUiThreadBlocking(new Runnable() {
             @Override
             public void run() {
                 // Fake backgrounding the activity.
                 Bundle bundle = new Bundle();
                 InstrumentationRegistry.getInstrumentation().callActivityOnPause(activity);
@@ skipping 26 matching lines @@
     private void overrideProfileSyncService() {
         ThreadUtils.runOnUiThreadBlocking(new Runnable() {
             @Override
             public void run() {
                 // PSS has to be constructed on the UI thread.
                 ProfileSyncService.overrideForTests(new FakeProfileSyncService());
             }
         });
     }
 }