Remove last usage functions from HostContentSettingsMap and clean up prefs

device/geolocation/geolocation_service_impl.cc

 // Copyright 2014 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/geolocation_service_impl.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/metrics/histogram_macros.h"
@@ skipping 42 matching lines @@
       break;
   }
   UMA_HISTOGRAM_ENUMERATION("Geolocation.LocationUpdate.ErrorCode", code,
                             GEOPOSITION_ERROR_CODE_COUNT);
 }
 
 }  // namespace
 
 GeolocationServiceImpl::GeolocationServiceImpl(
     mojo::InterfaceRequest<GeolocationService> request,
-    GeolocationServiceContext* context,
-    const base::Closure& update_callback)
+    GeolocationServiceContext* context)
     : binding_(this, std::move(request)),
       context_(context),
-      update_callback_(update_callback),
       high_accuracy_(false),
       has_position_to_report_(false) {
   DCHECK(context_);
   binding_.set_connection_error_handler(base::Bind(
       &GeolocationServiceImpl::OnConnectionError, base::Unretained(this)));
 }
 
 GeolocationServiceImpl::~GeolocationServiceImpl() {
   // Make sure to respond to any pending callback even without a valid position.
   if (!position_callback_.is_null()) {
@@ skipping 75 matching lines @@
   context_->ServiceHadConnectionError(this);
 
   // The above call deleted this instance, so the only safe thing to do is
   // return.
 }
 
 void GeolocationServiceImpl::OnLocationUpdate(const Geoposition& position) {
   RecordGeopositionErrorCode(position.error_code);
   DCHECK(context_);
 
-  update_callback_.Run();
-
   current_position_.valid = position.Validate();
   current_position_.latitude = position.latitude;
   current_position_.longitude = position.longitude;
   current_position_.altitude = position.altitude;
   current_position_.accuracy = position.accuracy;
   current_position_.altitude_accuracy = position.altitude_accuracy;
   current_position_.heading = position.heading;
   current_position_.speed = position.speed;
   current_position_.timestamp = position.timestamp.ToDoubleT();
   current_position_.error_code =
       mojom::Geoposition::ErrorCode(position.error_code);
   current_position_.error_message = position.error_message;
 
   has_position_to_report_ = true;
 
   if (!position_callback_.is_null())
     ReportCurrentPosition();
 }
 
 void GeolocationServiceImpl::ReportCurrentPosition() {
   position_callback_.Run(current_position_.Clone());
   position_callback_.Reset();
   has_position_to_report_ = false;
 }
 
 }  // namespace device