Add chrome://usb-internals page for adding and removing test devices.

chrome/browser/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 989 matching lines @@
 
   deps = [
     ":chrome_internal_resources_gen",
     "//chrome/browser/resources/safe_browsing:make_file_types_protobuf",
 
     # Depend only on the generated mojo bindings since we read the .mojom.js
     # file, rather than the whole mojo target which will link the C++ bindings.
     "//chrome/browser/ui/webui/engagement:mojo_bindings__generator",
     "//chrome/browser/ui/webui/omnibox:mojo_bindings__generator",
     "//chrome/browser/ui/webui/plugins:mojo_bindings__generator",
+    "//chrome/browser/ui/webui/usb_internals:mojo_bindings__generator",
     "//url/mojo:url_mojom_gurl__generator",
   ]
 }
 
 # GYP version: chrome/chrome_resource.gyp:chrome_internal_resources_gen
 if (is_chrome_branded) {
   action("chrome_internal_resources_gen") {
     script = "internal/transform_additional_modules_list.py"
     sources = [
       "internal/resources/additional_modules_list.input",
@@ skipping 325 matching lines @@
   # linking all of the test support.
   static_library("pepper_cdm_test_constants") {
     testonly = true
     visibility = [ "//chrome/*" ]
     sources = [
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }