Use ContextUtils in PhysicalWeb

chrome/android/java/src/org/chromium/chrome/browser/physicalweb/ClearNotificationAlarmReceiver.java

 // Copyright 2016 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.physicalweb;
 
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
 
 import org.chromium.base.Log;
 
 /**
  * A broadcast receiver that clears the UrlManager's notification.
  * This class cannot make native calls because it may not be loaded when the
  * alarm fires.
  */
 public class ClearNotificationAlarmReceiver extends BroadcastReceiver {
     private static final String TAG = "PhysicalWeb";
 
     @Override
     public void onReceive(Context context, Intent intent) {
         Log.d(TAG, "Running NotificationCleanupAlarmReceiver");
-        UrlManager.getInstance(context).clearNotification();
+        UrlManager.getInstance().clearNotification();
     }
 }