Move Rename functionality from DownloadFileManager to DownloadFileImple.

content/browser/download/download_item_impl_unittest.cc

Index: content/browser/download/download_item_impl_unittest.cc
diff --git a/content/browser/download/download_item_impl_unittest.cc b/content/browser/download/download_item_impl_unittest.cc
index c7ac84d9f618cf407726ab2ca82508d042f2629e..3224a834ab6cec67f6b0c6c500af1dffb9a8d02b 100644
--- a/content/browser/download/download_item_impl_unittest.cc
+++ b/content/browser/download/download_item_impl_unittest.cc
@@ -101,8 +101,9 @@ class MockDownloadFileManager : public DownloadFileManager {
 //               RenameDownloadFile(_,_,_,_))
 //       .WillOnce(ScheduleRenameCallback(new_path));
 ACTION_P(ScheduleRenameCallback, new_path) {
-  BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                          base::Bind(arg3, new_path));
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE,
+      base::Bind(arg3, content::DOWNLOAD_INTERRUPT_REASON_NONE, new_path));
 }
 
 // Similarly for scheduling a completion callback.