Reland "Android: Remove GetApplicationContext part 2"

chrome/android/java/src/org/chromium/chrome/browser/preferences/privacy/ClearBrowsingDataPreferencesBasic.java

 // Copyright 2017 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.privacy;
 
 import android.os.Bundle;
 
 import org.chromium.chrome.R;
 import org.chromium.chrome.browser.browsing_data.ClearBrowsingDataTab;
@@ skipping 24 matching lines @@
                 (ClearBrowsingDataTabCheckBoxPreference) findPreference(PREF_COOKIES);
 
         historyCheckbox.setLinkClickDelegate(new Runnable() {
             @Override
             public void run() {
                 new TabDelegate(false /* incognito */)
                         .launchUrl(MY_ACTIVITY_URL, TabModel.TabLaunchType.FROM_CHROME_UI);
             }
         });
 
-        if (ChromeSigninController.get(getActivity()).isSignedIn()) {
+        if (ChromeSigninController.get().isSignedIn()) {
             if (isHistorySyncEnabled()) { // is synced
                 historyCheckbox.setSummary(R.string.clear_browsing_history_summary_synced);
             } else {
                 historyCheckbox.setSummary(R.string.clear_browsing_history_summary_signed_in);
             }
             cookiesCheckbox.setSummary(
                     R.string.clear_cookies_and_site_data_signed_in_summary_basic);
         }
     }
 
     private boolean isHistorySyncEnabled() {
         boolean syncEnabled = AndroidSyncSettings.isSyncEnabled(getActivity());
         ProfileSyncService syncService = ProfileSyncService.get();
         return syncEnabled && syncService != null
                 && syncService.getPreferredDataTypes().contains(ModelType.TYPED_URLS);
     }
 
     @Override
     protected DialogOption[] getDialogOptions() {
         return new DialogOption[] {DialogOption.CLEAR_HISTORY,
                 DialogOption.CLEAR_COOKIES_AND_SITE_DATA, DialogOption.CLEAR_CACHE};
     }
 
     @Override
     protected int getPreferenceType() {
         return ClearBrowsingDataTab.BASIC;
     }
 }