[Downloads] Retry renames after transient failures.

content/browser/download/download_interrupt_reasons_impl.h

Index: content/browser/download/download_interrupt_reasons_impl.h
diff --git a/content/browser/download/download_interrupt_reasons_impl.h b/content/browser/download/download_interrupt_reasons_impl.h
index 137dcb2abc5282a4a9a149a41a987fd991ac8822..61ccae1a441aec0c5db9e804e6739ad12e5d6143 100644
--- a/content/browser/download/download_interrupt_reasons_impl.h
+++ b/content/browser/download/download_interrupt_reasons_impl.h
@@ -5,6 +5,7 @@
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_INTERRUPT_REASONS_IMPL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_INTERRUPT_REASONS_IMPL_H_
 
+#include "base/files/file.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 #include "net/base/net_errors.h"
 
@@ -22,6 +23,10 @@ enum DownloadInterruptSource {
 DownloadInterruptReason CONTENT_EXPORT ConvertNetErrorToInterruptReason(
     net::Error file_error, DownloadInterruptSource source);
 
+// Safe to call from any thread.
+DownloadInterruptReason CONTENT_EXPORT ConvertFileErrorToInterruptReason(
+    base::File::Error file_error);
+
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_INTERRUPT_REASONS_IMPL_H_