Movw GamepadService out of content/browser/ and into device/

content/test/BUILD.gn

 # Copyright 2014 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/chrome_build.gni")
 import("//build/config/compiler/compiler.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
@@ skipping 1028 matching lines @@
     "../browser/fileapi/upload_file_system_file_element_reader_unittest.cc",
     "../browser/frame_host/frame_tree_node_blame_context_unittest.cc",
     "../browser/frame_host/frame_tree_unittest.cc",
     "../browser/frame_host/navigation_controller_impl_unittest.cc",
     "../browser/frame_host/navigation_entry_impl_unittest.cc",
     "../browser/frame_host/navigation_handle_impl_unittest.cc",
     "../browser/frame_host/navigator_impl_unittest.cc",
     "../browser/frame_host/render_frame_host_manager_unittest.cc",
     "../browser/frame_host/render_widget_host_view_child_frame_unittest.cc",
     "../browser/frame_host/render_widget_host_view_guest_unittest.cc",
-    "../browser/gamepad/gamepad_service_test_helpers.cc",
-    "../browser/gamepad/gamepad_service_test_helpers.h",
-    "../browser/gamepad/gamepad_service_unittest.cc",
     "../browser/gpu/gpu_data_manager_impl_private_unittest.cc",
     "../browser/gpu/shader_disk_cache_unittest.cc",
     "../browser/host_zoom_map_impl_unittest.cc",
     "../browser/indexed_db/indexed_db_active_blob_registry_unittest.cc",
     "../browser/indexed_db/indexed_db_backing_store_unittest.cc",
     "../browser/indexed_db/indexed_db_cleanup_on_io_error_unittest.cc",
     "../browser/indexed_db/indexed_db_database_unittest.cc",
     "../browser/indexed_db/indexed_db_factory_unittest.cc",
     "../browser/indexed_db/indexed_db_fake_backing_store.cc",
     "../browser/indexed_db/indexed_db_fake_backing_store.h",
@@ skipping 631 matching lines @@
   if (is_android) {
     deps += [ "//testing/android/native_test:native_test_native_code" ]
   }
 }
 
 group("fuzzers") {
   deps = [
     "//content/test/fuzzer",
   ]
 }