Remove mojo::Array.

device/serial/serial_device_enumerator_linux.cc

Index: device/serial/serial_device_enumerator_linux.cc
diff --git a/device/serial/serial_device_enumerator_linux.cc b/device/serial/serial_device_enumerator_linux.cc
index dbeccecb8636e342a05d3415ae8531b5c7514aed..f716e56f436bfb3c8e75082c3bff82f3c08ca380 100644
--- a/device/serial/serial_device_enumerator_linux.cc
+++ b/device/serial/serial_device_enumerator_linux.cc
@@ -38,8 +38,8 @@ SerialDeviceEnumeratorLinux::SerialDeviceEnumeratorLinux() {
 
 SerialDeviceEnumeratorLinux::~SerialDeviceEnumeratorLinux() {}
 
-mojo::Array<serial::DeviceInfoPtr> SerialDeviceEnumeratorLinux::GetDevices() {
-  mojo::Array<serial::DeviceInfoPtr> devices;
+std::vector<serial::DeviceInfoPtr> SerialDeviceEnumeratorLinux::GetDevices() {
+  std::vector<serial::DeviceInfoPtr> devices;
   ScopedUdevEnumeratePtr enumerate(udev_enumerate_new(udev_.get()));
   if (!enumerate) {
     LOG(ERROR) << "Serial device enumeration failed.";