Android: Remove GetApplicationContext part 2

chrome/android/java/src/org/chromium/chrome/browser/sync/ui/PassphraseActivity.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.accounts.Account;
 import android.app.Dialog;
 import android.app.DialogFragment;
 import android.app.FragmentManager;
@@ skipping 39 matching lines @@
             ChromeApplication.reportStartupErrorAndExit(e);
             return;
         }
         assert ProfileSyncService.get() != null;
         getFragmentManager().addOnBackStackChangedListener(this);
     }
 
     @Override
     protected void onResume() {
         super.onResume();
-        Account account = ChromeSigninController.get(this).getSignedInUser();
+        Account account = ChromeSigninController.get().getSignedInUser();
         if (account == null) {
             finish();
             return;
         }
 
         if (!isShowingDialog(FRAGMENT_PASSPHRASE)) {
             if (ProfileSyncService.get().isEngineInitialized()) {
                 displayPassphraseDialog();
             } else {
                 addSyncStateChangedListener();
@@ skipping 83 matching lines @@
      */
     public static class SpinnerDialogFragment extends DialogFragment {
         @Override
         public Dialog onCreateDialog(Bundle savedInstanceState) {
             ProgressDialog dialog = new ProgressDialog(getActivity());
             dialog.setMessage(getResources().getString(R.string.sync_loading));
             return dialog;
         }
     }
 }