Remove mojo::String.

content/renderer/bluetooth/web_bluetooth_impl.cc

Index: content/renderer/bluetooth/web_bluetooth_impl.cc
diff --git a/content/renderer/bluetooth/web_bluetooth_impl.cc b/content/renderer/bluetooth/web_bluetooth_impl.cc
index c518ef6720c4f7172be312ab724807fe63a2881d..c704eee187c9490adab66de8d717b067ee76fd0c 100644
--- a/content/renderer/bluetooth/web_bluetooth_impl.cc
+++ b/content/renderer/bluetooth/web_bluetooth_impl.cc
@@ -101,7 +101,7 @@ void WebBluetoothImpl::getCharacteristics(
   DCHECK(blink::mojom::IsKnownEnumValue(
       static_cast<blink::mojom::WebBluetoothGATTQueryQuantity>(quantity)));
   GetWebBluetoothService().RemoteServiceGetCharacteristics(
-      mojo::String::From(service_instance_id),
+      service_instance_id.utf8(),
       static_cast<blink::mojom::WebBluetoothGATTQueryQuantity>(quantity),
       characteristics_uuid.isEmpty()
           ? base::nullopt
@@ -116,7 +116,7 @@ void WebBluetoothImpl::readValue(
     const blink::WebString& characteristic_instance_id,
     blink::WebBluetoothReadValueCallbacks* callbacks) {
   GetWebBluetoothService().RemoteCharacteristicReadValue(
-      mojo::String::From(characteristic_instance_id),
+      characteristic_instance_id.utf8(),
       base::Bind(&WebBluetoothImpl::OnReadValueComplete, base::Unretained(this),
                  base::Passed(base::WrapUnique(callbacks))));
 }
@@ -126,8 +126,7 @@ void WebBluetoothImpl::writeValue(
     const blink::WebVector<uint8_t>& value,
     blink::WebBluetoothWriteValueCallbacks* callbacks) {
   GetWebBluetoothService().RemoteCharacteristicWriteValue(
-      mojo::String::From(characteristic_instance_id),
-      mojo::Array<uint8_t>::From(value),
+      characteristic_instance_id.utf8(), mojo::Array<uint8_t>::From(value),
       base::Bind(&WebBluetoothImpl::OnWriteValueComplete,
                  base::Unretained(this), value,
                  base::Passed(base::WrapUnique(callbacks))));
@@ -137,7 +136,7 @@ void WebBluetoothImpl::startNotifications(
     const blink::WebString& characteristic_instance_id,
     blink::WebBluetoothNotificationsCallbacks* callbacks) {
   GetWebBluetoothService().RemoteCharacteristicStartNotifications(
-      mojo::String::From(characteristic_instance_id),
+      characteristic_instance_id.utf8(),
       base::Bind(&WebBluetoothImpl::OnStartNotificationsComplete,
                  base::Unretained(this),
                  base::Passed(base::WrapUnique(callbacks))));
@@ -147,7 +146,7 @@ void WebBluetoothImpl::stopNotifications(
     const blink::WebString& characteristic_instance_id,
     blink::WebBluetoothNotificationsCallbacks* callbacks) {
   GetWebBluetoothService().RemoteCharacteristicStopNotifications(
-      mojo::String::From(characteristic_instance_id),
+      characteristic_instance_id.utf8(),
       base::Bind(&WebBluetoothImpl::OnStopNotificationsComplete,
                  base::Unretained(this),
                  base::Passed(base::WrapUnique(callbacks))));