Add functions to let tests read and control the Bluetooth chooser state.

content/shell/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/features.gni")
 import("//build/config/ui.gni")
 import("//build/config/win/manifest.gni")
 import("//tools/grit/repack.gni")
 import("//tools/grit/grit_rule.gni")
 if (is_android) {
@@ skipping 30 matching lines @@
     "app/shell_main_delegate_mac.h",
     "app/shell_main_delegate_mac.mm",
     "browser/blink_test_controller.cc",
     "browser/blink_test_controller.h",
     "browser/ipc_echo_message_filter.cc",
     "browser/ipc_echo_message_filter.h",
     "browser/layout_test/layout_test_android.cc",
     "browser/layout_test/layout_test_android.h",
     "browser/layout_test/layout_test_bluetooth_adapter_provider.cc",
     "browser/layout_test/layout_test_bluetooth_adapter_provider.h",
+    "browser/layout_test/layout_test_bluetooth_chooser_factory.cc",
+    "browser/layout_test/layout_test_bluetooth_chooser_factory.h",
     "browser/layout_test/layout_test_browser_context.cc",
     "browser/layout_test/layout_test_browser_context.h",
     "browser/layout_test/layout_test_browser_main.cc",
     "browser/layout_test/layout_test_browser_main.h",
     "browser/layout_test/layout_test_browser_main_parts.cc",
     "browser/layout_test/layout_test_browser_main_parts.h",
     "browser/layout_test/layout_test_content_browser_client.cc",
     "browser/layout_test/layout_test_content_browser_client.h",
     "browser/layout_test/layout_test_devtools_frontend.cc",
     "browser/layout_test/layout_test_devtools_frontend.h",
@@ skipping 398 matching lines @@
     deps = [
       "//base",
       "//build/config/sanitizers:deps",
       "//components/crash/tools:crash_service",
     ]
 
     configs -= [ "//build/config/win:console" ]
     configs += [ "//build/config/win:windowed" ]
   }
 }