bluetooth: Use WebBluetoothDeviceId instead of 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 f87bb37ef2056358a19a0d04d34a6cdc9ca41dc3..9ce604f52669356aeddef87f044e707498f28504 100644
--- a/content/renderer/bluetooth/web_bluetooth_impl.cc
+++ b/content/renderer/bluetooth/web_bluetooth_impl.cc
@@ -57,19 +57,20 @@ void WebBluetoothImpl::connect(
     blink::WebBluetoothRemoteGATTServerConnectCallbacks* callbacks) {
   // TODO(crbug.com/495270): After the Bluetooth Tree is implemented, there will
   // only be one object per device. But for now we replace the previous object.
-  connected_devices_[device_id.utf8()] = device;
+  WebBluetoothDeviceId device_id_obj = WebBluetoothDeviceId(device_id.utf8());
+  connected_devices_[device_id_obj] = device;
 
   GetWebBluetoothService().RemoteServerConnect(
-      mojo::String::From(device_id),
+      std::move(device_id_obj),
       base::Bind(&WebBluetoothImpl::OnConnectComplete, base::Unretained(this),
                  base::Passed(base::WrapUnique(callbacks))));
 }
 
 void WebBluetoothImpl::disconnect(const blink::WebString& device_id) {
-  connected_devices_.erase(device_id.utf8());
+  WebBluetoothDeviceId device_id_obj = WebBluetoothDeviceId(device_id.utf8());
+  connected_devices_.erase(device_id_obj);
 
-  GetWebBluetoothService().RemoteServerDisconnect(
-      mojo::String::From(device_id));
+  GetWebBluetoothService().RemoteServerDisconnect(std::move(device_id_obj));
 }
 
 void WebBluetoothImpl::getPrimaryServices(
@@ -78,7 +79,7 @@ void WebBluetoothImpl::getPrimaryServices(
     const blink::WebString& services_uuid,
     blink::WebBluetoothGetPrimaryServicesCallbacks* callbacks) {
   GetWebBluetoothService().RemoteServerGetPrimaryServices(
-      mojo::String::From(device_id),
+      WebBluetoothDeviceId(device_id.utf8()),
       static_cast<blink::mojom::WebBluetoothGATTQueryQuantity>(quantity),
       services_uuid.isEmpty()
           ? base::nullopt
@@ -184,14 +185,15 @@ void WebBluetoothImpl::OnRequestDeviceComplete(
       uuids[i] = blink::WebString::fromUTF8(device->uuids[i]);
 
     callbacks->onSuccess(base::WrapUnique(new blink::WebBluetoothDeviceInit(
-        blink::WebString::fromUTF8(device->id),
+        blink::WebString::fromUTF8(device->id.str()),
         blink::WebString::fromUTF8(device->name), uuids)));
   } else {
     callbacks->onError(ToInt32(error));
   }
 }
 
-void WebBluetoothImpl::GattServerDisconnected(const mojo::String& device_id) {
+void WebBluetoothImpl::GattServerDisconnected(
+    const WebBluetoothDeviceId& device_id) {
   auto device_iter = connected_devices_.find(device_id);
   if (device_iter != connected_devices_.end()) {
     // Remove device from the map before calling dispatchGattServerDisconnected