Move GetUdevDevicePropertyValue from components/storage_monitor to device/udev_linux and rename to …

components/storage_monitor/udev_util_linux.h

Index: components/storage_monitor/udev_util_linux.h
diff --git a/components/storage_monitor/udev_util_linux.h b/components/storage_monitor/udev_util_linux.h
index 76b59add9fabf2b851fa0117b8c15930399943ab..e2611cde7d313e14fd26fcc60f8cac32a39d95e8 100644
--- a/components/storage_monitor/udev_util_linux.h
+++ b/components/storage_monitor/udev_util_linux.h
@@ -17,11 +17,6 @@ class FilePath;
 
 namespace storage_monitor {
 
-// Wrapper function for udev_device_get_property_value() that also checks for
-// valid but empty values.
-std::string GetUdevDevicePropertyValue(udev_device* udev_device,
-                                       const char* key);
-
 // Helper for udev_device_new_from_syspath()/udev_device_get_property_value()
 // pair. |device_path| is the absolute path to the device, including /sys.
 bool GetUdevDevicePropertyValueByPath(const base::FilePath& device_path,