Makes ResourceLoader own handles and return Files

components/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("//build/module_args/v8.gni")
 import("//mojo/mojo_application_package.gni")
 import("//testing/test.gni")
 import("//third_party/mojo/src/mojo/public/mojo.gni")
 import("//third_party/mojo/src/mojo/public/mojo_application.gni")
+import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
 # Repack this here.
 repack("unified_blink_resources") {
   sources = [
     "$root_gen_dir/blink/public/resources/blink_image_resources_100_percent.pak",
     "$root_gen_dir/blink/public/resources/blink_resources.pak",
   ]
   output = "$target_gen_dir/unified_blink_resources.pak"
   deps = [
@@ skipping 18 matching lines @@
   ]
   deps = [
     ":unified_blink_resources",
   ]
   public_deps = [
     "//third_party/WebKit/public:image_resources",
     "//third_party/WebKit/public:resources",
   ]
 }
 
+grit("html_viewer_resources_grit") {
+  source = "html_viewer_resources.grd"
+  outputs = [
+    "grit/html_viewer_resources.h",
+    "html_viewer_resources.pak",
+    "html_viewer_resources.rc",
+  ]
+}
 source_set("lib") {
   sources = [
     "$target_gen_dir/blink_resource_map.cc",
     "$target_gen_dir/blink_resource_map.h",
     "ax_provider_impl.cc",
     "ax_provider_impl.h",
     "blink_basic_type_converters.cc",
     "blink_basic_type_converters.h",
     "blink_input_events_type_converters.cc",
     "blink_input_events_type_converters.h",
@@ skipping 101 matching lines @@
 }
 
 mojo_application_package("html_viewer") {
   sources = [
     "html_viewer.cc",
     "ui_setup.h",
     "ui_setup_android.cc",
     "ui_setup_android.h",
   ]
   deps = [
+    ":html_viewer_resources_grit",
     ":lib",
     "//components/resource_provider/public/cpp",
     "//components/resource_provider/public/interfaces",
     "//mojo/common",
     "//mojo/platform_handle",
     "//third_party/icu:icudata",
     "//ui/resources:ui_test_pak",
   ]
   data_deps = [
     "//mojo/services/network:network",
     "//components/resource_provider",
   ]
   resources = [
     "$root_out_dir/icudtl.dat",
     "$root_out_dir/ui_test.pak",
+    "$target_gen_dir/html_viewer_resources.pak",
   ]
 
   if (v8_use_external_startup_data) {
     resources += [
       "$root_build_dir/natives_blob.bin",
       "$root_build_dir/snapshot_blob.bin",
     ]
   }
 }
 
@@ skipping 18 matching lines @@
   ]
 
   deps = [
     ":lib",
     ":html_viewer",
     "//mojo/application:test_support",
     "//net:test_support",
     "//testing/gtest",
   ]
 }