Convert Pass()→std::move() in //media

media/base/media_file_checker.cc

Index: media/base/media_file_checker.cc
diff --git a/media/base/media_file_checker.cc b/media/base/media_file_checker.cc
index 0482bc5474d97348dbd6186651af375f01a82279..a04775b76b6a3bf68bf116bde4c58105a81b2f53 100644
--- a/media/base/media_file_checker.cc
+++ b/media/base/media_file_checker.cc
@@ -6,8 +6,8 @@
 
 #include <stddef.h>
 #include <stdint.h>
-
 #include <map>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/time/time.h"
@@ -24,14 +24,13 @@ static void OnError(bool* called) {
   *called = false;
 }
 
-MediaFileChecker::MediaFileChecker(base::File file) : file_(file.Pass()) {
-}
+MediaFileChecker::MediaFileChecker(base::File file) : file_(std::move(file)) {}
 
 MediaFileChecker::~MediaFileChecker() {
 }
 
 bool MediaFileChecker::Start(base::TimeDelta check_time) {
-  media::FileDataSource source(file_.Pass());
+  media::FileDataSource source(std::move(file_));
   bool read_ok = true;
   media::BlockingUrlProtocol protocol(&source, base::Bind(&OnError, &read_ok));
   media::FFmpegGlue glue(&protocol);