API Replace Extension subclasses

src/AssetControlExtension.php

@@ -8,8 +8,8 @@
 use SilverStripe\Core\Injector\Injector;
 use SilverStripe\ORM\DataObject;
 use SilverStripe\Versioned\Versioned;
-use SilverStripe\ORM\DataExtension;
 use SilverStripe\Security\Member;
+use SilverStripe\Core\Extension;
 
 /**
  * This class provides the necessary business logic to ensure that any assets attached
@@ -24,9 +24,9 @@
  * Assets which are no longer referenced will be flushed via explicit delete calls
  * to the underlying filesystem.
  *
- * @extends DataExtension<DataObject&Versioned>
+ * @extends Extension<DataObject&Versioned>
  */
-class AssetControlExtension extends DataExtension
+class AssetControlExtension extends Extension
 {
     /**
      * When archiving versioned dataobjects, should assets be archived with them?

src/ImageManipulation.php

@@ -1058,7 +1058,7 @@ public function variantName($format, $arg = null)
      * This means we have to use a whitelist of "known formats", based on methods
      * available on the {@link Image} class as the "main" user of this trait.
      * The one exception to this is the variant for swapping file extensions, which is explicitly allowed.
-     * This class is commonly decorated with additional manipulation methods through {@link DataExtension}.
+     * This class is commonly decorated with additional manipulation methods through {@link Extension}.
      *
      * @param $variantName
      * @return array|null An array of arguments passed to {@link variantName}. The first item is the "format".

src/Shortcodes/FileLinkTracking.php

@@ -6,12 +6,12 @@
 use SilverStripe\Assets\File;
 use SilverStripe\Forms\FieldList;
 use SilverStripe\Forms\FormScaffolder;
-use SilverStripe\ORM\DataExtension;
 use SilverStripe\ORM\DataObject;
 use SilverStripe\ORM\FieldType\DBHTMLText;
 use SilverStripe\ORM\ManyManyThroughList;
 use SilverStripe\Versioned\Versioned;
 use SilverStripe\View\Parsers\HTMLValue;
+use SilverStripe\Core\Extension;
 
 /**
  * Adds tracking of links in any HTMLText fields which reference SiteTree or File items.
@@ -24,9 +24,9 @@
  * only be enabled for the Stage record.
  *
  * @method ManyManyThroughList<File> FileTracking()
- * @extends DataExtension<DataObject&static>
+ * @extends Extension<DataObject&static>
  */
-class FileLinkTracking extends DataExtension
+class FileLinkTracking extends Extension
 {
     /**
      * @var FileLinkTrackingParser