Cleanup PreferenceMACs on browser_tests startup

base/files/scoped_temp_dir.cc

 // Copyright (c) 2011 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 "base/files/scoped_temp_dir.h"
 
 #include "base/files/file_util.h"
 #include "base/logging.h"
 
 namespace base {
 
+namespace {
+
+constexpr FilePath::CharType kScopedDirPrefix[] =
+    FILE_PATH_LITERAL("scoped_dir");
+
+}  // namespace
+
 ScopedTempDir::ScopedTempDir() {
 }
 
 ScopedTempDir::~ScopedTempDir() {
   if (!path_.empty() && !Delete())
     DLOG(WARNING) << "Could not delete temp dir in dtor.";
 }
 
 bool ScopedTempDir::CreateUniqueTempDir() {
   if (!path_.empty())
     return false;
 
   // This "scoped_dir" prefix is only used on Windows and serves as a template
   // for the unique name.
-  if (!base::CreateNewTempDirectory(FILE_PATH_LITERAL("scoped_dir"), &path_))
+  if (!base::CreateNewTempDirectory(kScopedDirPrefix, &path_))
     return false;
 
   return true;
 }
 
 bool ScopedTempDir::CreateUniqueTempDirUnderPath(const FilePath& base_path) {
   if (!path_.empty())
     return false;
 
   // If |base_path| does not exist, create it.
   if (!base::CreateDirectory(base_path))
     return false;
 
   // Create a new, uniquely named directory under |base_path|.
-  if (!base::CreateTemporaryDirInDir(base_path,
-                                     FILE_PATH_LITERAL("scoped_dir_"),
-                                     &path_))
+  if (!base::CreateTemporaryDirInDir(base_path, kScopedDirPrefix, &path_))
     return false;
 
   return true;
 }
 
 bool ScopedTempDir::Set(const FilePath& path) {
   if (!path_.empty())
     return false;
 
   if (!DirectoryExists(path) && !base::CreateDirectory(path))
@@ skipping 24 matching lines @@
 
 const FilePath& ScopedTempDir::GetPath() const {
   DCHECK(!path_.empty()) << "Did you call CreateUniqueTempDir* before?";
   return path_;
 }
 
 bool ScopedTempDir::IsValid() const {
   return !path_.empty() && DirectoryExists(path_);
 }
 
+// static
+const FilePath::CharType* ScopedTempDir::GetTempDirPrefix() {
+  return kScopedDirPrefix;
+}
+
 }  // namespace base