Move scoped_temp_dir from base to base/files

chrome/installer/util/self_cleaning_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 "chrome/installer/util/self_cleaning_temp_dir.h"
 
 #include <windows.h>
 
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 58 matching lines @@
 bool SelfCleaningTempDir::Delete() {
   if (path().empty()) {
     LOG(DFATAL) << "Attempting to Delete an uninitialized SelfCleaningTempDir.";
     return false;
   }
 
   FilePath next_dir(path().DirName());
   bool schedule_deletes = false;
 
   // First try to recursively delete the leaf directory managed by our
-  // ScopedTempDir.
+  // base::ScopedTempDir.
   if (!file_util::Delete(path(), true)) {
     // That failed, so schedule the temp dir and its contents for deletion after
     // reboot.
     LOG(WARNING) << "Failed to delete temporary directory " << path().value()
                  << ". Scheduling for deletion at reboot.";
     schedule_deletes = true;
     if (!ScheduleDirectoryForDeletion(path().value().c_str()))
       return false;  // Entirely unexpected failure (Schedule logs the reason).
   }
 
@@ skipping 18 matching lines @@
     } while (true);
   }
 
   base_dir_.clear();
   temp_dir_.clear();
 
   return true;
 }
 
 }  // namespace installer