Use std::move() instead of .Pass() in remoting/host

remoting/host/linux/audio_pipe_reader.cc

Index: remoting/host/linux/audio_pipe_reader.cc
diff --git a/remoting/host/linux/audio_pipe_reader.cc b/remoting/host/linux/audio_pipe_reader.cc
index c8bda1bb190a6ce5fec8a9fc0bb9946b2fbd61bd..691e78bb9c71d4f2166bd246e39f1a5bc6c590c2 100644
--- a/remoting/host/linux/audio_pipe_reader.cc
+++ b/remoting/host/linux/audio_pipe_reader.cc
@@ -10,6 +10,8 @@
 #include <sys/types.h>
 #include <unistd.h>
 
+#include <utility>
+
 #include "base/logging.h"
 #include "base/posix/eintr_wrapper.h"
 #include "base/stl_util.h"
@@ -116,7 +118,7 @@ void AudioPipeReader::TryOpenPipe() {
   file_descriptor_watcher_.StopWatchingFileDescriptor();
   timer_.Stop();
 
-  pipe_ = new_pipe.Pass();
+  pipe_ = std::move(new_pipe);
 
   if (pipe_.IsValid()) {
     // Get buffer size for the pipe.