Loosen permission on extension temp dir when a flag is used.

base/file_util.h

 // 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.
 
 // This file contains utility functions for dealing with the local
 // filesystem.
 
 #ifndef BASE_FILE_UTIL_H_
 #define BASE_FILE_UTIL_H_
 
@@ skipping 247 matching lines @@
 // Similar to CreateAndOpenTemporaryFile, but the file is created in |dir|.
 FILE* CreateAndOpenTemporaryFileInDir(const FilePath& dir, FilePath* path);
 
 // Same as CreateTemporaryFile but the file is created in |dir|.
 bool CreateTemporaryFileInDir(const FilePath& dir,
                               FilePath* temp_file);
 
 // Create a directory within another directory.
 // Extra characters will be appended to |name_tmpl| to ensure that the
 // new directory does not have the same name as an existing directory.
+// If |loosen_permissions| is true, the new directory will be readable
+// and writable to all users on windows.  It is ignored on other platforms.
+// |loosen_permissions| exists to allow debugging of crbug/35198, and will
+// be removed when the issue is understood.
 bool CreateTemporaryDirInDir(const FilePath& base_dir,
                              const FilePath::StringType& prefix,
+                             bool loosen_permissions,
                              FilePath* new_dir);
 
 // Create a new directory under TempPath. If prefix is provided, the new
 // directory name is in the format of prefixyyyy.
 // NOTE: prefix is ignored in the POSIX implementation.
 // TODO(erikkay): is this OK?
 // If success, return true and output the full path of the directory created.
 bool CreateNewTempDirectory(const FilePath::StringType& prefix,
                             FilePath* new_temp_path);
 
@@ skipping 318 matching lines @@
 
 #endif  // UNIT_TEST
 
 }  // namespace file_util
 
 // Deprecated functions have been moved to this separate header file,
 // which must be included last after all the above definitions.
 #include "base/file_util_deprecated.h"
 
 #endif  // BASE_FILE_UTIL_H_