Change the type of file_type parameter to int, as the parameter actually takes or-ed bitmasks,

chrome/browser/extensions/api/serial/serial_port_enumerator_posix.cc

Index: chrome/browser/extensions/api/serial/serial_port_enumerator_posix.cc
diff --git a/chrome/browser/extensions/api/serial/serial_port_enumerator_posix.cc b/chrome/browser/extensions/api/serial/serial_port_enumerator_posix.cc
index c069ebb2b976100f9fc2a441ffee8e5ea046e67a..6afad8ff2552675c9633bbd2a871c7a419e5de28 100644
--- a/chrome/browser/extensions/api/serial/serial_port_enumerator_posix.cc
+++ b/chrome/browser/extensions/api/serial/serial_port_enumerator_posix.cc
@@ -65,16 +65,15 @@ SerialPortEnumerator::StringSet SerialPortEnumerator::GenerateValidPatterns() {
 SerialPortEnumerator::StringSet
 SerialPortEnumerator::GenerateValidSerialPortNames() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
-  const FilePath DEV_ROOT("/dev");
-  const file_util::FileEnumerator::FileType FILES_AND_SYM_LINKS =
-      static_cast<file_util::FileEnumerator::FileType>(
-          file_util::FileEnumerator::FILES |
-          file_util::FileEnumerator::SHOW_SYM_LINKS);
+  const FilePath kDevRoot("/dev");
+  const int kFilesAndSymLinks =
+      file_util::FileEnumerator::FILES |
+      file_util::FileEnumerator::SHOW_SYM_LINKS;
 
   StringSet valid_patterns = GenerateValidPatterns();
   StringSet name_set;
   file_util::FileEnumerator enumerator(
-      DEV_ROOT, false, FILES_AND_SYM_LINKS);
+      kDevRoot, false, kFilesAndSymLinks);
   do {
     const FilePath next_device_path(enumerator.Next());
     const std::string next_device = next_device_path.value();