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"
 #include "base/utf_string_conversions.h"
 #include "net/base/net_util.h"
 #include "chrome/browser/browser_thread.h"
+#include "chrome/browser/download/download_extensions.h"
 #include "chrome/browser/download/download_file_manager.h"
 #include "chrome/browser/download/download_history.h"
 #include "chrome/browser/download/download_manager.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/history/download_create_info.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profile.h"
 #include "chrome/common/extensions/extension.h"
@@ skipping 133 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(
       GetUserVerifiedFilePath());
 }
 
 void DownloadItem::OpenFilesBasedOnExtension(bool open) {
   DownloadPrefs* prefs = download_manager_->download_prefs();
   if (open)
@@ skipping 258 matching lines @@
     return GetTargetFilePath();
   return full_path_;
 }
 
 void DownloadItem::Init(bool start_timer) {
   if (target_name_.value().empty())
     target_name_ = full_path_.BaseName();
   if (start_timer)
     StartProgressTimer();
 }