Installing extensions (drag/drop, download crx file) will now be...

chrome/browser/download/download_file.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/download/download_file.h"
 
 #include "base/file_util.h"
 #include "base/path_service.h"
 #include "base/string_util.h"
 #include "base/task.h"
@@ skipping 532 matching lines @@
 #else
   // TODO(port) implement me.
   NOTREACHED();
 #endif
 }
 
 // The DownloadManager in the UI thread has provided a final name for the
 // download specified by 'id'. Rename the in progress download, and remove it
 // from our table if it has been completed or cancelled already.
 void DownloadFileManager::OnFinalDownloadName(int id,
-                                              const FilePath& full_path) {
+                                              const FilePath& full_path,
+                                              DownloadManager* manager) {
   DCHECK(MessageLoop::current() == file_loop_);
   DownloadFileMap::iterator it = downloads_.find(id);
   if (it == downloads_.end())
     return;
 
   file_util::CreateDirectory(full_path.DirName());
 
   DownloadFile* download = it->second;
-  if (!download->Rename(full_path)) {
+  if (download->Rename(full_path)) {
+    ui_loop_->PostTask(FROM_HERE,
+        NewRunnableMethod(manager,
+                          &DownloadManager::DownloadRenamedToFinalName,
+                          id,
+                          full_path));
+  } else {
     // Error. Between the time the UI thread generated 'full_path' to the time
     // this code runs, something happened that prevents us from renaming.
     DownloadManagerMap::iterator dmit = managers_.find(download->id());
     if (dmit != managers_.end()) {
       DownloadManager* dlm = dmit->second;
       ui_loop_->PostTask(FROM_HERE,
           NewRunnableMethod(dlm,
                             &DownloadManager::DownloadCancelled,
                             id));
     } else {
@@ skipping 15 matching lines @@
     ui_loop_->PostTask(FROM_HERE, NewRunnableMethod(
         this, &DownloadFileManager::StopUpdateTimer));
 }
 
 // static
 void DownloadFileManager::DeleteFile(const FilePath& path) {
   // Make sure we only delete files.
   if (!file_util::DirectoryExists(path))
     file_util::Delete(path, false);
 }