chrome.serial: [POSIX] Queue *Completed() callback in Cancel*Impl()

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

Index: chrome/browser/extensions/api/serial/serial_io_handler_posix.cc
diff --git a/chrome/browser/extensions/api/serial/serial_io_handler_posix.cc b/chrome/browser/extensions/api/serial/serial_io_handler_posix.cc
index 6e8997b32fb3fbe3853c5d60ad262a1ff9d8577e..db2e1bd814c5133473f634e29be29a051f08120d 100644
--- a/chrome/browser/extensions/api/serial/serial_io_handler_posix.cc
+++ b/chrome/browser/extensions/api/serial/serial_io_handler_posix.cc
@@ -37,12 +37,14 @@ void SerialIoHandlerPosix::CancelReadImpl() {
   DCHECK(CalledOnValidThread());
   is_watching_reads_ = false;
   file_read_watcher_.StopWatchingFileDescriptor();
+  QueueReadCompleted(0, read_cancel_reason());
 }
 
 void SerialIoHandlerPosix::CancelWriteImpl() {
   DCHECK(CalledOnValidThread());
   is_watching_writes_ = false;
   file_write_watcher_.StopWatchingFileDescriptor();
+  QueueWriteCompleted(0, write_cancel_reason());
 }
 
 SerialIoHandlerPosix::SerialIoHandlerPosix()