Android: Remove GetApplicationContext part 4

device/geolocation/android/java/src/org/chromium/device/geolocation/LocationProviderAndroid.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.device.geolocation;
 
 import android.content.Context;
 import android.location.Criteria;
 import android.location.Location;
 import android.location.LocationListener;
 import android.location.LocationManager;
 import android.os.Bundle;
 
+import org.chromium.base.ContextUtils;
 import org.chromium.base.Log;
 import org.chromium.base.ThreadUtils;
 import org.chromium.base.VisibleForTesting;
 
 import java.util.List;
 
 /**
  * This is a LocationProvider using Android APIs [1]. It is a separate class for clarity
  * so that it can manage all processing completely on the UI thread. The container class
  * ensures that the start/stop calls into this class are done on the UI thread.
  *
  * [1] https://developer.android.com/reference/android/location/package-summary.html
  */
 public class LocationProviderAndroid
         implements LocationListener, LocationProviderFactory.LocationProvider {
     private static final String TAG = "cr_LocationProvider";
 
-    private Context mContext;
     private LocationManager mLocationManager;
     private boolean mIsRunning;
 
-    LocationProviderAndroid(Context context) {
-        mContext = context;
-    }
+    LocationProviderAndroid() {}
 
     @Override
     public void start(boolean enableHighAccuracy) {
         ThreadUtils.assertOnUiThread();
         unregisterFromLocationUpdates();
         registerForLocationUpdates(enableHighAccuracy);
     }
 
     @Override
     public void stop() {
@@ skipping 26 matching lines @@
     @Override
     public void onProviderDisabled(String provider) {}
 
     @VisibleForTesting
     public void setLocationManagerForTesting(LocationManager manager) {
         mLocationManager = manager;
     }
 
     private void createLocationManagerIfNeeded() {
         if (mLocationManager != null) return;
-        mLocationManager = (LocationManager) mContext.getSystemService(Context.LOCATION_SERVICE);
+        mLocationManager = (LocationManager) ContextUtils.getApplicationContext().getSystemService(
+                Context.LOCATION_SERVICE);
         if (mLocationManager == null) {
             Log.e(TAG, "Could not get location manager.");
         }
     }
 
     /**
      * Registers this object with the location service.
      */
     private void registerForLocationUpdates(boolean enableHighAccuracy) {
         createLocationManagerIfNeeded();
@@ skipping 59 matching lines @@
     /*
      * Checks if the passive location provider is the only provider available
      * in the system.
      */
     private boolean isOnlyPassiveLocationProviderEnabled() {
         final List<String> providers = mLocationManager.getProviders(true);
         return providers != null && providers.size() == 1
                 && providers.get(0).equals(LocationManager.PASSIVE_PROVIDER);
     }
 }