Linux/CrOS: In the MTPDeviceDelegate, use the right variable when handling 0-byte files.

BUG=232950
TEST=see bug

Review URL: https://codereview.chromium.org/14093019

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@194725 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/media_galleries/linux/mtp_device_delegate_impl_linux.cc

@@ -404,7 +404,7 @@ void MTPDeviceDelegateImplLinux::OnDidGetFileInfoToCreateSnapshotFile(
   if (file_info.size == 0) {
     // Empty snapshot file.
     return OnDidWriteDataIntoSnapshotFile(
-        snapshot_file_info, snapshot_request_info->snapshot_file_path);
+        snapshot_file_info, current_snapshot_request_info_->snapshot_file_path);
   }
   WriteDataIntoSnapshotFile(snapshot_file_info);
 }