Remove mojo::Array.

extensions/browser/api/serial/serial_api.cc

Index: extensions/browser/api/serial/serial_api.cc
diff --git a/extensions/browser/api/serial/serial_api.cc b/extensions/browser/api/serial/serial_api.cc
index 6ef93a77a0c2c688416e04d721d4dc4c7ce8d6ad..d7326aa005ec1f43ee3e9e738cd2c390139dca25 100644
--- a/extensions/browser/api/serial/serial_api.cc
+++ b/extensions/browser/api/serial/serial_api.cc
@@ -88,9 +88,9 @@ void SerialGetDevicesFunction::Work() {
 
   std::unique_ptr<device::SerialDeviceEnumerator> enumerator =
       device::SerialDeviceEnumerator::Create();
-  mojo::Array<device::serial::DeviceInfoPtr> devices = enumerator->GetDevices();
+  std::vector<device::serial::DeviceInfoPtr> devices = enumerator->GetDevices();
   results_ = serial::GetDevices::Results::Create(
-      devices.To<std::vector<serial::DeviceInfo>>());
+      mojo::ConvertTo<std::vector<serial::DeviceInfo>>(devices));
 }
 
 SerialConnectFunction::SerialConnectFunction() {