Issue #1817698 by andyceo: Move contextual links field handler out of...

Issue #1817698 by andyceo: Move contextual links field handler out of views.views.inc and put it into contextual_links() module.

core/modules/contextual/contextual.views.inc

+<?php
+
+/**
+ * @file
+ * Provide views data and handlers for contextual.module.
+ *
+ * @ingroup views_module_handlers
+ */
+
+/**
+ * Implements hook_views_data_alter().
+ */
+function contextual_views_data_alter(&$data) {
+  $data['views']['contextual_links'] = array(
+    'title' => t('Contextual Links'),
+    'help' => t('Display fields in a contextual links menu.'),
+    'field' => array(
+      'id' => 'contextual_links',
+    ),
+  );
+}

core/modules/views/lib/Drupal/views/Plugin/views/field/ContextualLinks.php → core/modules/contextual/lib/Drupal/contextual/Plugin/views/field/ContextualLinks.php

@@ -2,12 +2,13 @@
 
 /**
  * @file
- * Definition of Drupal\views\Plugin\views\field\ContextualLinks.
+ * Definition of Drupal\contextual\Plugin\views\field\ContextualLinks.
  */
 
-namespace Drupal\views\Plugin\views\field;
+namespace Drupal\contextual\Plugin\views\field;
 
 use Drupal\Core\Annotation\Plugin;
+use Drupal\views\Plugin\views\field\FieldPluginBase;
 
 /**
  * Provides a handler that adds contextual links.
@@ -15,7 +16,8 @@
  * @ingroup views_field_handlers
  *
  * @Plugin(
- *   id = "contextual_links"
+ *   id = "contextual_links",
+ *   module = "contextual"
  * )
  */
 class ContextualLinks extends FieldPluginBase {

core/modules/views/views.views.inc

@@ -90,16 +90,6 @@ function views_views_data() {
     ),
   );
 
-  if (module_exists('contextual')) {
-    $data['views']['contextual_links'] = array(
-      'title' => t('Contextual Links'),
-      'help' => t('Display fields in a contextual links menu.'),
-      'field' => array(
-        'id' => 'contextual_links',
-      ),
-    );
-  }
-
   $data['views']['combine'] = array(
    'title' => t('Combine fields filter'),
     'help' => t('Combine two fields together and search by them.'),