Gets rid of the LocationArbitrator interface, in preference for LocationProvider.

device/geolocation/location_provider_android.cc

 // Copyright (c) 2012 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.
 
 #include "device/geolocation/location_provider_android.h"
 
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
 #include "device/geolocation/geoposition.h"
 #include "device/geolocation/location_api_adapter_android.h"
@@ skipping 14 matching lines @@
 }
 
 bool LocationProviderAndroid::StartProvider(bool high_accuracy) {
   return AndroidLocationApiAdapter::GetInstance()->Start(this, high_accuracy);
 }
 
 void LocationProviderAndroid::StopProvider() {
   AndroidLocationApiAdapter::GetInstance()->Stop();
 }
 
-void LocationProviderAndroid::GetPosition(Geoposition* position) {
-  *position = last_position_;
+const Geoposition& LocationProviderAndroid::GetPosition() {
+  return last_position_;
 }
 
 void LocationProviderAndroid::RequestRefresh() {
   // Nothing to do here, android framework will call us back on new position.
 }
 
 void LocationProviderAndroid::OnPermissionGranted() {
   // Nothing to do here.
 }
 
 // static
 std::unique_ptr<LocationProvider> NewSystemLocationProvider() {
   return base::WrapUnique(new LocationProviderAndroid);
 }
 
 }  // namespace device