Add GeolocationManager service

device/geolocation/geolocation_provider.h

 // 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.
 
 #ifndef DEVICE_GEOLOCATION_GEOLOCATION_PROVIDER_H_
 #define DEVICE_GEOLOCATION_GEOLOCATION_PROVIDER_H_
 
 #include <memory>
 
 #include "base/callback_list.h"
@@ skipping 32 matching lines @@
   virtual std::unique_ptr<Subscription> AddLocationUpdateCallback(
       const LocationUpdateCallback& callback,
       bool enable_high_accuracy) = 0;
 
   // Calling this method indicates the user has opted into using location
   // services, including sending network requests to [Google servers to] resolve
   // the user's location. Use this method carefully, in line with the rules in
   // go/chrome-privacy-doc.
   virtual void UserDidOptIntoLocationServices() = 0;
 
+  virtual bool HighAccuracyLocationInUse() = 0;
+
   // Overrides the current location for testing.
   //
   // Overrides the location for automation/testing. Suppresses any further
   // updates from the actual providers and sends an update with the overridden
   // position to all registered clients.
   //
   // Do not use this function in unit tests. The function instantiates the
   // singleton geolocation stack in the background and manipulates it to report
   // a fake location. Neither step can be undone, breaking unit test isolation
   // (crbug.com/125931).
   virtual void OverrideLocationForTesting(const Geoposition& position) = 0;
 
  protected:
   virtual ~GeolocationProvider() {}
 };
 
 }  // namespace device
 
 #endif  // DEVICE_GEOLOCATION_GEOLOCATION_PROVIDER_H_