Adds ui_test_pak to html_viewer's deps

mojo/services/html_viewer/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("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/mojo.gni")
 import("//third_party/mojo/src/mojo/public/mojo_application.gni")
 
 action("generate_blink_resource_map") {
   script = "//mojo/services/html_viewer/generate_blink_resource_map.py"
@@ skipping 84 matching lines @@
     "//third_party/mojo/src/mojo/public/interfaces/application",
     "//third_party/mojo_services/src/accessibility/public/interfaces",
     "//third_party/mojo_services/src/clipboard/public/interfaces",
     "//third_party/mojo_services/src/content_handler/public/interfaces",
     "//third_party/mojo_services/src/gpu/public/interfaces",
     "//third_party/mojo_services/src/input_events/public/interfaces",
     "//third_party/mojo_services/src/navigation/public/interfaces",
     "//third_party/mojo_services/src/surfaces/public/interfaces",
     "//ui/gfx/geometry",
     "//ui/native_theme",
+    "//ui/resources:ui_test_pak",
     "//url",
   ]
 
   public_deps = [
     "//third_party/WebKit/public:blink",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
     "//third_party/mojo_services/src/view_manager/public/cpp",
     ":generate_blink_resource_map",
   ]
 }
@@ skipping 63 matching lines @@
   output_name = "html_viewer_unittests"
   sources = [
     "ax_provider_impl_unittest.cc",
     "discardable_memory_allocator_unittest.cc",
   ]
   deps = [
     ":lib",
     "//base/test:run_all_unittests",
   ]
 }