Modifying the "dangerous download" algorithm.

chrome/browser/download/download_item.cc

 // Copyright (c) 2010 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_item.h"
 
 #include "app/l10n_util.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/timer.h"
@@ skipping 146 matching lines @@
 void DownloadItem::UpdateObservers() {
   FOR_EACH_OBSERVER(Observer, observers_, OnDownloadUpdated(this));
 }
 
 void DownloadItem::NotifyObserversDownloadFileCompleted() {
   FOR_EACH_OBSERVER(Observer, observers_, OnDownloadFileCompleted(this));
 }
 
 bool DownloadItem::CanOpenDownload() {
   return !Extension::IsExtension(target_name_) &&
-      !download_util::IsExecutableFile(target_name_);
+      download_util::IsFileSafe(target_name_);
 }
 
 bool DownloadItem::ShouldOpenFileBasedOnExtension() {
   return download_manager_->ShouldOpenFileBasedOnExtension(
       GetUserVerifiedFileName());
 }
 
 void DownloadItem::OpenFilesBasedOnExtension(bool open) {
   DownloadPrefs* prefs = download_manager_->download_prefs();
   if (open)
@@ skipping 256 matching lines @@
     return target_name_;
   return full_path_.BaseName();
 }
 
 void DownloadItem::Init(bool start_timer) {
   if (target_name_.value().empty())
     target_name_ = full_path_.BaseName();
   if (start_timer)
     StartProgressTimer();
 }