Adds GeolocationFeature for Blimp Geolocation project.

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/rules.gni")  # For generate_jni().
 }
 
@@ skipping 128 matching lines @@
     testonly = true
 
     java_files = [ "android/java/org/chromium/device/geolocation/MockLocationProvider.java" ]
     deps = [
       ":geolocation_java",
       "//base:base_java",
     ]
   }
 }
 
+source_set("test_support") {
+  testonly = true
+
+  sources = [
+    "fake_access_token_store.cc",
+    "fake_access_token_store.h",
+    "fake_location_provider.cc",
+    "fake_location_provider.h",
+    "mock_location_provider.cc",
+    "mock_location_provider.h",
+  ]
+  public_deps = [
+    ":device_geolocation",
+  ]
+  deps = [
+    "//testing/gmock",
+  ]
+}
+
 source_set("unittests") {
   testonly = true
 
   sources = [
-    "fake_access_token_store.cc",
-    "fake_access_token_store.h",
     "geolocation_provider_impl_unittest.cc",
     "location_arbitrator_impl_unittest.cc",
-    "mock_location_provider.cc",
-    "mock_location_provider.h",
     "network_location_provider_unittest.cc",
     "wifi_data_provider_chromeos_unittest.cc",
     "wifi_data_provider_common_unittest.cc",
     "wifi_data_provider_linux_unittest.cc",
     "wifi_data_provider_win_unittest.cc",
   ]
   public_deps = [
     ":device_geolocation",
   ]
   deps = [
+    ":test_support",
     "//base",
     "//base/third_party/dynamic_annotations",
     "//net:test_support",
     "//testing/gmock",
     "//testing/gtest",
   ]
 
   if (is_linux) {
     if (use_dbus) {
       deps += [ "//dbus:test_support" ]
     } else {
       sources -= [ "wifi_data_provider_linux_unittest.cc" ]
     }
   }
 
   if (is_chromeos) {
     sources -= [ "wifi_data_provider_linux_unittest.cc" ]
     deps += [ "//chromeos" ]
   }
 
   if (is_android) {
     sources -= [
       "network_location_provider_unittest.cc",
       "wifi_data_provider_common_unittest.cc",
     ]
     deps += [ ":geolocation_java_test_support" ]
   }
 }