[Downloads] Do not store error responses during resumption.

chrome/browser/download/download_item_model.cc

Index: chrome/browser/download/download_item_model.cc
diff --git a/chrome/browser/download/download_item_model.cc b/chrome/browser/download/download_item_model.cc
index e82f24ea1fd264334f437fd3e4744d5c95e32e48..46694aecc071080a58a14fa941cb273d2aaf1cca 100644
--- a/chrome/browser/download/download_item_model.cc
+++ b/chrome/browser/download/download_item_model.cc
@@ -170,6 +170,10 @@ base::string16 InterruptReasonStatusMessage(
     case content::DOWNLOAD_INTERRUPT_REASON_SERVER_FORBIDDEN:
       string_id = IDS_DOWNLOAD_INTERRUPTED_STATUS_FORBIDDEN;
       break;
+    case content::DOWNLOAD_INTERRUPT_REASON_SERVER_UNREACHABLE:
+      string_id = IDS_DOWNLOAD_INTERRUPTED_STATUS_UNREACHABLE;
+      break;
+
     case content::DOWNLOAD_INTERRUPT_REASON_NONE:
       NOTREACHED();
       // fallthrough
@@ -250,6 +254,9 @@ base::string16 InterruptReasonMessage(content::DownloadInterruptReason reason) {
     case content::DOWNLOAD_INTERRUPT_REASON_SERVER_FORBIDDEN:
       string_id = IDS_DOWNLOAD_INTERRUPTED_DESCRIPTION_FORBIDDEN;
       break;
+    case content::DOWNLOAD_INTERRUPT_REASON_SERVER_UNREACHABLE:
+      string_id = IDS_DOWNLOAD_INTERRUPTED_DESCRIPTION_UNREACHABLE;
+      break;
     case content::DOWNLOAD_INTERRUPT_REASON_NONE:
       NOTREACHED();
       // fallthrough