Convert user link fields to use entities

+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/Link.phpundefined
@@ -57,16 +58,29 @@ public function query() {
+  public function render_link(EntityInterface $entity, \stdClass $values) {

It's sad to see a stdClass here, but it was actually always there, just not typehinted. So, fine.

+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/Link.phpundefined
@@ -57,16 +58,29 @@ public function query() {
+    $uri = $entity->uri();
+    $this->options['alter']['path'] = $uri['path'];

Someday we'll write a helper to just get the 'path' part :)

+++ b/core/modules/views/lib/Drupal/views/Plugin/views/field/FieldPluginBase.phpundefined
@@ -355,12 +355,15 @@ function element_wrapper_classes($row_index = NULL) {
+   * @param \stdClass $values
...
+  public function get_entity($values) {

Any reason to not typehint this as well?
Or leave it out altogether, it doesn't seem to be 100% related

Looks good to me!

Yep. Committed/pushed to 8.x.

+++ b/core/modules/user/lib/Drupal/user/Plugin/views/field/LinkCancel.php
@@ -21,19 +22,17 @@
+  public function render_link(EntityInterface $entity, \stdClass $values) {
+      if ($entity && user_cancel_access($entity)) {
       $this->options['alter']['make_link'] = TRUE;

I hope it's OK that I re-open this issue for this, but here's a quick follow-up to fix the wrong indentation in that hunk.

Committed/pushed the follow-up.