Revert "Delete the Surfaces service."

mojo/converters/surfaces/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.
+
+component("surfaces") {
+  output_name = "mojo_surfaces_lib"
+
+  sources = [
+    "surfaces_type_converters.cc",
+    "surfaces_type_converters.h",
+  ]
+
+  public_deps = [
+    "//mojo/converters/geometry",
+  ]
+
+  deps = [
+    "//base",
+    "//cc",
+    "//cc/surfaces",
+    "//cc/surfaces:surface_id",
+    "//gpu",
+    "//mojo/environment:chromium",
+    "//mojo/public/c/system",
+    "//mojo/services/surfaces/interfaces",
+    "//mojo/services/surfaces/interfaces:surface_id",
+  ]
+}