Hide scanning notification when device with no media is detected.

chrome/browser/chromeos/imageburner/burn_controller.cc

Index: chrome/browser/chromeos/imageburner/burn_controller.cc
diff --git a/chrome/browser/chromeos/imageburner/burn_controller.cc b/chrome/browser/chromeos/imageburner/burn_controller.cc
index 197b1b1580a0f73944d28019ba54cb54c78bf335..f83f23a86076be7f63a11b411fd1792124ff800c 100644
--- a/chrome/browser/chromeos/imageburner/burn_controller.cc
+++ b/chrome/browser/chromeos/imageburner/burn_controller.cc
@@ -26,7 +26,7 @@ const uint64 kMinDeviceSize = static_cast<uint64>(3.9 * 1000 * 1000 * 1000);
 
 // Returns true when |disk| is a device on which we can burn recovery image.
 bool IsBurnableDevice(const disks::DiskMountManager::Disk& disk) {
-  return disk.is_parent() && !disk.on_boot_device() &&
+  return disk.is_parent() && !disk.on_boot_device() && disk.has_media() &&
          (disk.device_type() == DEVICE_TYPE_USB ||
           disk.device_type() == DEVICE_TYPE_SD);
 }