Linux: Dynamically load libudev.

device/hid/device_monitor_linux.cc

 // 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.
 
 #include "device/hid/device_monitor_linux.h"
 
-#include <libudev.h>
-
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/threading/thread_restrictions.h"
+#include "device/udev_linux/udev.h"
 
 namespace device {
 
 namespace {
 
 const char kUdevName[] = "udev";
 const char kUdevActionAdd[] = "add";
 const char kUdevActionRemove[] = "remove";
 
 // The instance will be reset when message loop destroys.
@@ skipping 119 matching lines @@
 void DeviceMonitorLinux::OnFileCanWriteWithoutBlocking(int fd) {}
 
 DeviceMonitorLinux::~DeviceMonitorLinux() {
   DCHECK(thread_checker_.CalledOnValidThread());
   base::MessageLoop::current()->RemoveDestructionObserver(this);
   monitor_watcher_.StopWatchingFileDescriptor();
   close(monitor_fd_);
 }
 
 }  // namespace device