Change TypeConverter<X,Y>::ConvertFrom and ConvertTo into a single symmetric

extensions/browser/api/serial/serial_connection.cc

Index: extensions/browser/api/serial/serial_connection.cc
diff --git a/extensions/browser/api/serial/serial_connection.cc b/extensions/browser/api/serial/serial_connection.cc
index a81def2b3f7f3ccfaf717d133209764aa77e777c..cfdcc760b29fa4943755c01ede6846e98f4726ce 100644
--- a/extensions/browser/api/serial/serial_connection.cc
+++ b/extensions/browser/api/serial/serial_connection.cc
@@ -401,7 +401,7 @@ namespace mojo {
 device::serial::HostControlSignalsPtr
 TypeConverter<device::serial::HostControlSignalsPtr,
               extensions::core_api::serial::HostControlSignals>::
-    ConvertFrom(const extensions::core_api::serial::HostControlSignals& input) {
+    Convert(const extensions::core_api::serial::HostControlSignals& input) {
   device::serial::HostControlSignalsPtr output(
       device::serial::HostControlSignals::New());
   if (input.dtr.get()) {
@@ -419,7 +419,7 @@ TypeConverter<device::serial::HostControlSignalsPtr,
 device::serial::ConnectionOptionsPtr
 TypeConverter<device::serial::ConnectionOptionsPtr,
               extensions::core_api::serial::ConnectionOptions>::
-    ConvertFrom(const extensions::core_api::serial::ConnectionOptions& input) {
+    Convert(const extensions::core_api::serial::ConnectionOptions& input) {
   device::serial::ConnectionOptionsPtr output(
       device::serial::ConnectionOptions::New());
   if (input.bitrate.get() && *input.bitrate > 0)