Eliminate DownloadProgressUpdated.

content/public/browser/download_manager_delegate.h

Index: content/public/browser/download_manager_delegate.h
diff --git a/content/public/browser/download_manager_delegate.h b/content/public/browser/download_manager_delegate.h
index bf02083aa424c30b7e77f93de3d08225a6779908..92b969a1f8aceb86b3a66ecdc6a3f4cf1168148c 100644
--- a/content/public/browser/download_manager_delegate.h
+++ b/content/public/browser/download_manager_delegate.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -115,9 +115,6 @@ class CONTENT_EXPORT DownloadManagerDelegate {
                               const FilePath::StringType& default_extension,
                               bool can_save_as_complete,
                               SaveFilePathPickedCallback callback) {}
-
-  // Informs the delegate that the progress of downloads has changed.
-  virtual void DownloadProgressUpdated() {}
 };
 
 }  // namespace content