Add unit test for ArcBluetoothBridge and TypeConverter

components/arc/BUILD.gn

 # Copyright 2015 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("//mojo/public/tools/bindings/mojom.gni")
 import("//testing/test.gni")
 
 static_library("arc") {
   sources = [
     "arc_bridge_bootstrap.cc",
@@ skipping 124 matching lines @@
   testonly = true
   sources = [
     "test/fake_app_instance.cc",
     "test/fake_app_instance.h",
     "test/fake_arc_bridge_bootstrap.cc",
     "test/fake_arc_bridge_bootstrap.h",
     "test/fake_arc_bridge_instance.cc",
     "test/fake_arc_bridge_instance.h",
     "test/fake_arc_bridge_service.cc",
     "test/fake_arc_bridge_service.h",
+    "test/fake_bluetooth_instance.cc",
+    "test/fake_bluetooth_instance.h",
     "test/fake_notifications_instance.cc",
     "test/fake_notifications_instance.h",
     "test/fake_policy_instance.cc",
     "test/fake_policy_instance.h",
   ]
 
   deps = [
     ":arc",
     ":arc_bindings",
     "//base",
     "//mojo/common:common_base",
   ]
 }
 
 source_set("unit_tests") {
   testonly = true
   sources = [
     "arc_bridge_service_unittest.cc",
+    "bluetooth/arc_bluetooth_bridge_unittest.cc",
+    "bluetooth/bluetooth_type_converters_unittest.cc",
     "ime/arc_ime_service_unittest.cc",
     "intent_helper/activity_icon_loader_unittest.cc",
     "intent_helper/arc_intent_helper_bridge_unittest.cc",
     "intent_helper/font_size_util_unittest.cc",
     "intent_helper/link_handler_model_impl_unittest.cc",
   ]
 
   deps = [
     ":arc",
     ":arc_bindings",
     ":arc_test_support",
     "//base",
     "//chromeos",
     "//ipc/mojo:mojo",
     "//mojo/public/cpp/system:system",
+    "//testing/gmock",
     "//testing/gtest",
     "//ui/aura",
     "//ui/base:test_support",
     "//ui/base/ime",
     "//ui/events",
     "//ui/events:dom_keycode_converter",
     "//url:url",
   ]
 }
 
@@ skipping 42 matching lines @@
 
   deps = [
     ":arc_standalone",
     ":arc_standalone_service",
     "//base",
     "//ipc:ipc",
     "//ipc/mojo:mojo",
     "//mojo/edk/system",
   ]
 }