Convert Pass()→std::move() in //content/browser

content/browser/renderer_host/media/audio_input_debug_writer.cc

Index: content/browser/renderer_host/media/audio_input_debug_writer.cc
diff --git a/content/browser/renderer_host/media/audio_input_debug_writer.cc b/content/browser/renderer_host/media/audio_input_debug_writer.cc
index 39ba40d55a3be102d906b8de08c229dd36099966..5a500b493653e4471e1341946e4eba0d82a8a179 100644
--- a/content/browser/renderer_host/media/audio_input_debug_writer.cc
+++ b/content/browser/renderer_host/media/audio_input_debug_writer.cc
@@ -4,16 +4,15 @@
 
 #include "content/browser/renderer_host/media/audio_input_debug_writer.h"
 
+#include <utility>
+
 #include "content/public/browser/browser_thread.h"
 #include "media/base/audio_bus.h"
 
 namespace content {
 
 AudioInputDebugWriter::AudioInputDebugWriter(base::File file)
-    : file_(file.Pass()),
-      interleaved_data_size_(0),
-      weak_factory_(this) {
-}
+    : file_(std::move(file)), interleaved_data_size_(0), weak_factory_(this) {}
 
 AudioInputDebugWriter::~AudioInputDebugWriter() {
   DCHECK_CURRENTLY_ON(BrowserThread::FILE);