Add GeolocationManager service

device/geolocation/BUILD.gn

 # 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.
 
 import("//build/config/features.gni")
 
 if (is_android) {
   import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
 
 component("geolocation") {
   defines = [ "DEVICE_GEOLOCATION_IMPLEMENTATION" ]
 
   sources = [
     "access_token_store.h",
     "android/geolocation_jni_registrar.cc",
     "android/geolocation_jni_registrar.h",
     "empty_wifi_data_provider.cc",
     "empty_wifi_data_provider.h",
     "geolocation_delegate.cc",
     "geolocation_delegate.h",
     "geolocation_export.h",
+    "geolocation_manager.cc",
+    "geolocation_manager.h",
     "geolocation_provider.h",
     "geolocation_provider_impl.cc",
     "geolocation_provider_impl.h",
     "geolocation_service_context.cc",
     "geolocation_service_context.h",
     "geolocation_service_impl.cc",
     "geolocation_service_impl.h",
     "geoposition.cc",
     "geoposition.h",
     "location_api_adapter_android.cc",
@@ skipping 176 matching lines @@
   }
 
   if (is_android) {
     sources -= [
       "network_location_provider_unittest.cc",
       "wifi_data_provider_common_unittest.cc",
     ]
     deps += [ ":geolocation_java_test_support" ]
   }
 }