[Media Galleries] Populate volume metadata in ChromeOS/Linux

chrome/browser/storage_monitor/test_volume_mount_watcher_win.cc

Index: chrome/browser/storage_monitor/test_volume_mount_watcher_win.cc
diff --git a/chrome/browser/storage_monitor/test_volume_mount_watcher_win.cc b/chrome/browser/storage_monitor/test_volume_mount_watcher_win.cc
index d3b7ef78df7beb0a5f76c06ac81cbc252db98621..2dedcd8cd3b8dabc5349a0c46460ded9622aa4a4 100644
--- a/chrome/browser/storage_monitor/test_volume_mount_watcher_win.cc
+++ b/chrome/browser/storage_monitor/test_volume_mount_watcher_win.cc
@@ -57,7 +57,7 @@ bool GetMassStorageDeviceDetails(const base::FilePath& device_path,
     *total_size_in_bytes = 1000000;
   if (unique_id) {
     *unique_id = "\\\\?\\Volume{00000000-0000-0000-0000-000000000000}\\";
-    (*unique_id)[11] = path.value()[0];
+    (*unique_id)[11] = device_path.value()[0];
   }
   if (name)
     *name = path.Append(L" Drive").LossyDisplayName();