Revert of Android: Remove GetApplicationContext part 2

chrome/android/java/src/org/chromium/chrome/browser/superviseduser/SupervisedUserContentProvider.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.superviseduser;
 
 import android.annotation.TargetApi;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ skipping 63 matching lines @@
             ThreadUtils.runOnUiThread(new Runnable() {
                 @Override
                 public void run() {
                     try {
                         ChromeBrowserInitializer.getInstance(appContext).handleSynchronousStartup();
                     } catch (ProcessInitException e) {
                         reply.onQueryFinished(0L);
                         return;
                     }
                     final ChromeSigninController chromeSigninController =
-                            ChromeSigninController.get();
+                            ChromeSigninController.get(appContext);
                     if (chromeSigninController.isSignedIn()) {
                         reply.onQueryFinished(nativeCreateSupervisedUserContentProvider());
                         return;
                     }
                     // Try to sign in, Chrome needs to be signed in to get the URL filter.
                     startForcedSigninProcessor(appContext, new Runnable() {
                         @Override
                         public void run() {
                             if (!chromeSigninController.isSignedIn()) {
                                 reply.onQueryFinished(0L);
@@ skipping 249 matching lines @@
 
     native void nativeShouldProceed(long nativeSupervisedUserContentProvider,
             SupervisedUserQueryReply queryReply, String url);
 
     native void nativeRequestInsert(long nativeSupervisedUserContentProvider,
             SupervisedUserInsertReply insertReply, String url);
 
     private native void nativeSetFilterForTesting(long nativeSupervisedUserContentProvider);
 
 }