Sandbox html_viewer on Linux.

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/public/mojo_application.gni")
 import("//testing/test.gni")
 import("//tools/grit/grit_rule.gni")
 import("//tools/grit/repack.gni")
 
@@ skipping 167 matching lines @@
   public_deps = [
     "//components/view_manager/public/cpp",
     "//third_party/WebKit/public:blink",
     "//third_party/mojo/src/mojo/public/cpp/bindings",
   ]
 
   if (is_win) {
     sources += [ "html_viewer_version.rc" ]
   }
 
+  if (is_linux && !is_android) {
+    deps += [ "//components/font_service/public/cpp" ]
+  }
+
   data_deps = [
     "//components/clipboard",
     "//components/view_manager",
     "//mojo/services/network:network",
   ]
 }
 
 mojo_native_application("html_viewer") {
   sources = [
     "html_viewer_main.cc",
@@ skipping 111 matching lines @@
     "//net:test_support",
     "//testing/gtest",
     "//third_party/mojo_services/src/accessibility/public/interfaces",
     "//third_party/mojo/src/mojo/public/c/system:for_shared_library",
   ]
 
   data_deps = [
     ":html_viewer",
     "//components/view_manager",
   ]
+
+  if (is_linux && !is_android) {
+    data_deps += [ "//components/font_service" ]
+  }
 }