Add the Mojo implementation of authenticator.mojom's MakeCredential.

third_party/WebKit/Source/modules/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/split_static_library.gni")
 import("//build/config/chromecast_build.gni")
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/generated.gni")
 import("//third_party/WebKit/Source/bindings/modules/v8/v8.gni")
 import("//third_party/WebKit/Source/build/scripts/scripts.gni")
@@ skipping 310 matching lines @@
   configs += [
     "//third_party/WebKit/Source:config",
     "//third_party/WebKit/Source:inside_blink",
     "//third_party/WebKit/Source/core:blink_core_pch",
   ]
 
   deps = [
     ":modules",
     ":modules_testing",
     "//components/payments/mojom:mojom_blink",
+    "//components/webauth:webauth_blink",
     "//skia",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/WebKit/Source/core",
     "//third_party/WebKit/Source/platform/wtf",
     "//v8",
   ]
 }