Add the JobComplete callback and error/interrupt information

content/public/test/fake_download_item.cc

Index: content/public/test/fake_download_item.cc
diff --git a/content/public/test/fake_download_item.cc b/content/public/test/fake_download_item.cc
index a415a08bb23f6151f40ca7cb29cff91f959abb86..4bb1e706a32fb2985eba9f1d06c30c4d19423b5d 100644
--- a/content/public/test/fake_download_item.cc
+++ b/content/public/test/fake_download_item.cc
@@ -69,6 +69,14 @@ const GURL& FakeDownloadItem::GetURL() const {
   return url_;
 }
 
+void FakeDownloadItem::SetLastReason(DownloadInterruptReason last_reason) {
+  last_reason_ = last_reason;
+}
+
+DownloadInterruptReason FakeDownloadItem::GetLastReason() const {
+  return last_reason_;
+}
+
 void FakeDownloadItem::SetTargetFilePath(const base::FilePath& file_path) {
   file_path_ = file_path;
 }
@@ -162,11 +170,6 @@ void FakeDownloadItem::ShowDownloadInShell() {
   NOTREACHED();
 }
 
-DownloadInterruptReason FakeDownloadItem::GetLastReason() const {
-  NOTREACHED();
-  return DownloadInterruptReason();
-}
-
 bool FakeDownloadItem::IsPaused() const {
   NOTREACHED();
   return false;