Added dangerous download prompting.

base/file_util.h

 // 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.
 
 // This file contains utility functions for dealing with the local
 // filesystem.
 
 #ifndef BASE_FILE_UTIL_H_
 #define BASE_FILE_UTIL_H_
 
@@ skipping 200 matching lines @@
   
 // Get the temporary directory provided by the system.
 bool GetTempDir(std::wstring* path);
 
 // Creates a temporary file. The full path is placed in 'temp_file', and the
 // function returns true if was successful in creating the file. The file will
 // be empty and all handles closed after this function returns.
 // TODO(erikkay): rename this function and track down all of the callers.
 bool CreateTemporaryFileName(std::wstring* temp_file);
 
+// Same as CreateTemporaryFileName but the file is created in |dir|.
+bool CreateTemporaryFileNameInDir(const std::wstring& dir,
+                                  std::wstring* temp_file);
+
 // Create a new directory under TempPath. If prefix is provided, the new
 // directory name is in the format of prefixyyyy.
 // If success, return true and output the full path of the directory created.
 bool CreateNewTempDirectory(const std::wstring& prefix,
                             std::wstring* new_temp_path);
 
 // Creates a directory, as well as creating any parent directories, if they
 // don't exist. Returns 'true' on successful creation, or if the directory
 // already exists.
 bool CreateDirectory(const std::wstring& full_path);
@@ skipping 100 matching lines @@
 
 // Renames a file using the MoveFileEx API and ensures that the target file gets
 // the correct security descriptor in the new path.
 bool RenameFileAndResetSecurityDescriptor(
     const std::wstring& source_file_path,
     const std::wstring& target_file_path);
 
 }  // namespace file_util
 
 #endif  // BASE_FILE_UTIL_H_