Android: Remove GetApplicationContext part 2

chrome/android/java/src/org/chromium/chrome/browser/firstrun/FirstRunFlowSequencer.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.firstrun;
 
 import android.accounts.Account;
 import android.app.Activity;
 import android.app.PendingIntent;
 import android.content.Context;
@@ skipping 73 matching lines @@
         }.start(mActivity.getApplicationContext());
     }
 
     @VisibleForTesting
     protected boolean isFirstRunFlowComplete() {
         return FirstRunStatus.getFirstRunFlowComplete();
     }
 
     @VisibleForTesting
     protected boolean isSignedIn() {
-        return ChromeSigninController.get(mActivity).isSignedIn();
+        return ChromeSigninController.get().isSignedIn();
     }
 
     @VisibleForTesting
     protected boolean isSyncAllowed() {
         SigninManager signinManager = SigninManager.get(mActivity.getApplicationContext());
         return FeatureUtilities.canAllowSync(mActivity) && !signinManager.isSigninDisabledByPolicy()
                 && signinManager.isSigninSupported();
     }
 
     @VisibleForTesting
     protected Account[] getGoogleAccounts() {
-        return AccountManagerHelper.get(mActivity).getGoogleAccounts();
+        return AccountManagerHelper.get().getGoogleAccounts();
     }
 
     @VisibleForTesting
     protected boolean hasAnyUserSeenToS() {
         return ToSAckedReceiver.checkAnyUserHasSeenToS(mActivity);
     }
 
     @VisibleForTesting
     protected boolean shouldSkipFirstUseHints() {
         return ApiCompatibilityUtils.shouldSkipFirstUseHints(mActivity.getContentResolver());
@@ skipping 194 matching lines @@
      * @param fromIntent     The intent that was used to launch Chrome.
      */
     public static void addPendingIntent(Context context, Intent firstRunIntent, Intent fromIntent) {
         PendingIntent pendingIntent = PendingIntent.getActivity(context,
                 FIRST_RUN_EXPERIENCE_REQUEST_CODE,
                 fromIntent,
                 fromIntent.getFlags());
         firstRunIntent.putExtra(FirstRunActivity.EXTRA_CHROME_LAUNCH_INTENT, pendingIntent);
     }
 }