Revert of Android: Remove GetApplicationContext part 2

chrome/android/java/src/org/chromium/chrome/browser/preferences/SignInPreference.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.preferences;
 
 import android.accounts.Account;
 import android.content.Context;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
@@ skipping 68 matching lines @@
     }
 
     /**
      * Updates the title, summary, and image based on the current sign-in state.
      */
     private void update() {
         String title;
         String summary;
         String fragment;
 
-        Account account = ChromeSigninController.get().getSignedInUser();
+        Account account = ChromeSigninController.get(getContext()).getSignedInUser();
         if (account == null) {
             title = getContext().getString(R.string.sign_in_to_chrome);
             summary = getContext().getString(R.string.sign_in_to_chrome_summary);
             fragment = null;
         } else {
             summary = SyncPreference.getSyncStatusSummary(getContext());
             fragment = AccountManagementFragment.class.getName();
             title = AccountManagementFragment.getCachedUserName(account.name);
             if (title == null) {
                 final Profile profile = Profile.getLastUsedProfile();
                 String cachedName = ProfileDownloader.getCachedFullName(profile);
                 Bitmap cachedBitmap = ProfileDownloader.getCachedAvatar(profile);
                 if (TextUtils.isEmpty(cachedName) || cachedBitmap == null) {
                     AccountManagementFragment.startFetchingAccountInformation(
                             getContext(), profile, account.name);
                 }
                 title = TextUtils.isEmpty(cachedName) ? account.name : cachedName;
             }
         }
 
         setTitle(title);
         setSummary(summary);
         setFragment(fragment);
         updateSyncStatusIcon();
 
-        ChromeSigninController signinController = ChromeSigninController.get();
+        ChromeSigninController signinController = ChromeSigninController.get(getContext());
         boolean enabled = signinController.isSignedIn()
                 || SigninManager.get(getContext()).isSignInAllowed();
         if (mViewEnabled != enabled) {
             mViewEnabled = enabled;
             notifyChanged();
         }
         if (!enabled) setFragment(null);
 
         if (SigninManager.get(getContext()).isSigninDisabledByPolicy()) {
             setIcon(ManagedPreferencesUtils.getManagedByEnterpriseIconId());
@@ skipping 17 matching lines @@
             }
         });
 
         if (account == null && enabled) {
             RecordUserAction.record("Signin_Impression_FromSettings");
         }
     }
 
     private void updateSyncStatusIcon() {
         if (SyncPreference.showSyncErrorIcon(getContext())
-                && ChromeSigninController.get().isSignedIn()) {
+                && ChromeSigninController.get(getContext()).isSignedIn()) {
             setWidgetLayoutResource(R.layout.sync_error_widget);
         } else {
             setWidgetLayoutResource(0);
         }
     }
 
     @Override
     protected void onBindView(View view) {
         super.onBindView(view);
 
@@ skipping 24 matching lines @@
         AccountManagementFragment.updateUserNamePictureCache(accountId, fullName, bitmap);
         update();
     }
 
     // AndroidSyncSettings.AndroidSyncSettingsObserver
     @Override
     public void androidSyncSettingsChanged() {
         update();
     }
 }