Make chrome/common compile in GN

device/serial/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("//mojo/public/tools/bindings/mojom.gni")
+
+# GYP version: device/serial/serial.gyp:device_serial
+static_library("serial") {
+  output_name = "device_serial"
+
+  sources = [
+    "serial_device_enumerator.cc",
+    "serial_device_enumerator.h",
+    "serial_device_enumerator_linux.cc",
+    "serial_device_enumerator_linux.h",
+    "serial_device_enumerator_mac.cc",
+    "serial_device_enumerator_mac.h",
+    "serial_device_enumerator_win.cc",
+    "serial_device_enumerator_win.h",
+  ]
+
+  if (is_linux) {
+    configs += [ "//build/config/linux:udev" ]
+  }
+
+  deps = [
+    ":serial_mojo",
+  ]
+}
+
+mojom("serial_mojo") {
+  visibility = ":serial"
+
+  sources = [
+    "serial.mojom",
+  ]
+}