Linux: Dynamically load libudev.

components/storage_monitor/udev_util_linux.cc

Index: components/storage_monitor/udev_util_linux.cc
diff --git a/components/storage_monitor/udev_util_linux.cc b/components/storage_monitor/udev_util_linux.cc
index 154f11cfe62ac7fcd67ef543fd580c318daed448..00019c17278122ad46b7012a3958830804060430 100644
--- a/components/storage_monitor/udev_util_linux.cc
+++ b/components/storage_monitor/udev_util_linux.cc
@@ -11,17 +11,17 @@ namespace storage_monitor {
 
 std::string GetUdevDevicePropertyValue(udev_device* udev_device,
                                        const char* key) {
-  const char* value = udev_device_get_property_value(udev_device, key);
+  const char* value = device::udev_device_get_property_value(udev_device, key);
   return value ? value : std::string();
 }
 
 bool GetUdevDevicePropertyValueByPath(const base::FilePath& device_path,
                                       const char* key,
                                       std::string* result) {
-  device::ScopedUdevPtr udev(udev_new());
+  device::ScopedUdevPtr udev(device::udev_new());
   if (!udev.get())
     return false;
-  device::ScopedUdevDevicePtr device(udev_device_new_from_syspath(
+  device::ScopedUdevDevicePtr device(device::udev_device_new_from_syspath(
       udev.get(), device_path.value().c_str()));
   if (!device.get())
     return false;