Revert "Delete the Surfaces service."

shell/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/ui.gni")
 import("//mojo/public/mojo.gni")
 import("//mojo/public/mojo_application.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//mojo/tools/embed/rules.gni")
 import("//testing/test.gni")
@@ skipping 410 matching lines @@
       "//mojo/public/tools:copy_network_service",
     ]
 
     if (!is_debug) {
       sources += [
         "$root_out_dir/authenticating_url_loader_interceptor.mojo",
         "$root_out_dir/dart_content_handler.mojo",
         "$root_out_dir/device_info.mojo",
         "$root_out_dir/icu_data.mojo",
         "$root_out_dir/java_handler.mojo",
+        "$root_out_dir/surfaces_service.mojo",
         "$root_out_dir/tracing.mojo",
       ]
 
       deps += [
         "//services/authenticating_url_loader_interceptor",
         "//services/java_handler",
         "//services/dart:dart_content_handler",
         "//services/device_info",
         "//services/icu_data",
+        "//services/surfaces",
         "//services/tracing",
       ]
     }
   }
 
   copy_ex("copy_mojo_shell_test_assets") {
     clear_dir = true
     dest = mojo_shell_test_assets_dir
     sources = [
       "$root_out_dir/test_app.mojo",
@@ skipping 260 matching lines @@
       "${root_out_dir}/libmojo_shell.so",
     ]
   } else {
     sources += [ "${root_out_dir}/mojo_shell" ]
   }
 
   outputs = [
     "${root_out_dir}/symbols/{{source_file_part}}",
   ]
 }