Move UdevDecodeString from media/midi to device/udev_linux

device/BUILD.gn

 # Copyright 2015 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/features.gni")
 import("//testing/test.gni")
 
 test("device_unittests") {
   sources = [
     "battery/battery_status_manager_linux_unittest.cc",
@@ skipping 68 matching lines @@
   }
 
   if (is_posix && !is_mac) {
     libs = [ "rt" ]
   }
 
   if (is_mac) {
     libs = [ "IOBluetooth.framework" ]
   }
 
+  if (use_udev) {
+    sources += [ "udev_linux/udev_unittest.cc" ]
+
+    deps += [ "//device/udev_linux" ]
+  }
+
   if (is_linux && !use_udev) {
     # Udev is the only Linux implementation. If we're compiling without Udev,
     # disable these unittests.
     sources -= [
       "hid/hid_connection_unittest.cc",
       "hid/hid_device_filter_unittest.cc",
       "hid/hid_report_descriptor_unittest.cc",
       "hid/input_service_linux_unittest.cc",
       "hid/test_report_descriptors.cc",
       "hid/test_report_descriptors.h",
       "serial/data_sink_unittest.cc",
       "serial/data_source_unittest.cc",
       "serial/serial_connection_unittest.cc",
       "serial/serial_service_unittest.cc",
     ]
 
     deps -= [
       "//device/hid",
       "//device/serial",
       "//device/serial:test_support",
     ]
   }
 
   if (is_linux && !use_dbus) {
     sources -= [ "battery/battery_status_manager_linux_unittest.cc" ]
   }
 }