GeoLocation: add support for GmsCore location provider

device/geolocation/BUILD.gn

Index: device/geolocation/BUILD.gn
diff --git a/device/geolocation/BUILD.gn b/device/geolocation/BUILD.gn
index 19ba0bf135b1eeff7882d3c387f703e76fcb961c..ff2f58940388ab090a6e7341a6210a53c7e92e8f 100644
--- a/device/geolocation/BUILD.gn
+++ b/device/geolocation/BUILD.gn
@@ -5,6 +5,7 @@
 import("//build/config/features.gni")
 
 if (is_android) {
+  import("//build/config/android/config.gni")
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
 
@@ -127,12 +128,16 @@ if (is_android) {
       "android/java/src/org/chromium/device/geolocation/LocationProviderAdapter.java",
       "android/java/src/org/chromium/device/geolocation/LocationProviderAndroid.java",
       "android/java/src/org/chromium/device/geolocation/LocationProviderFactory.java",
+      "android/java/src/org/chromium/device/geolocation/LocationProviderGmsCore.java",
     ]
 
     deps = [
       ":geolocation",
       ":geolocation_jni_headers",
       "//base:base_java",
+      "//third_party/android_tools:google_play_services_base_java",
+      "//third_party/android_tools:google_play_services_basement_java",
+      "//third_party/android_tools:google_play_services_location_java",
     ]
   }