API Replace Extension subclasses

code/BasicFieldsTestFileExtension.php

@@ -1,8 +1,8 @@
 <?php
 
-use SilverStripe\ORM\DataExtension;
+use SilverStripe\Core\Extension;
 
-class BasicFieldsTestFileExtension extends DataExtension
+class BasicFieldsTestFileExtension extends Extension
 {
     private static $has_one = [
         'TestPage' => BasicFieldsTestPage::class,

code/DevBuildGeneratorExtension.php

@@ -1,12 +1,12 @@
 <?php
 
 use SilverStripe\Core\Config\Configurable;
-use SilverStripe\ORM\DataExtension;
+use SilverStripe\Core\Extension;
 
 /**
  * There is no good place to put this setting, so it gets a class.
  */
-class DevBuildGeneratorExtension extends DataExtension
+class DevBuildGeneratorExtension extends Extension
 {
     use Configurable;
 

code/FileUploadRole.php

@@ -1,7 +1,8 @@
 <?php
 
-use SilverStripe\ORM\DataExtension;
-class FileUploadRole extends DataExtension
+use SilverStripe\Core\Extension;
+
+class FileUploadRole extends Extension
 {
     private static $has_one = array(
         'AFile' => 'SilverStripe\\Assets\\File',

code/FrameworkTestFileExtension.php

@@ -1,7 +1,8 @@
 <?php
 
-use SilverStripe\ORM\DataExtension;
-class FrameworkTestFileExtension extends DataExtension
+use SilverStripe\Core\Extension;
+
+class FrameworkTestFileExtension extends Extension
 {
     private static $has_one = array(
         'Company' => 'SilverStripe\\FrameworkTest\\Model\\Company',

code/FrameworkTestModelAdminExtension.php

@@ -1,8 +1,8 @@
 <?php
 
-use SilverStripe\ORM\DataExtension;
+use SilverStripe\Core\Extension;
 
-class FrameworkTestModelAdminExtension extends DataExtension
+class FrameworkTestModelAdminExtension extends Extension
 {
     private static $page_length = 3;
 }

code/FrameworkTestRole.php

@@ -2,14 +2,12 @@
 
 use SilverStripe\ORM\DataObject;
 use SilverStripe\ORM\DB;
-use SilverStripe\ORM\DataExtension;
+use SilverStripe\Core\Extension;
 use SilverStripe\Security\Member;
 use SilverStripe\Forms\FieldList;
 use SilverStripe\Forms\TreeDropdownField;
 
-
-
-class FrameworkTestRole extends DataExtension
+class FrameworkTestRole extends Extension
 {
 
     private static $has_one = array(

code/FrameworkTestSiteTreeExtension.php

@@ -1,7 +1,8 @@
 <?php
 
-use SilverStripe\ORM\DataExtension;
-class FrameworkTestSiteTreeExtension extends DataExtension
+use SilverStripe\Core\Extension;
+
+class FrameworkTestSiteTreeExtension extends Extension
 {
     private static $has_one = array('RelationFieldsTestPage' => 'RelationFieldsTestPage');
     private static $belongs_many_many = array('RelationFieldsTestPages' => 'RelationFieldsTestPage');

code/TestDataObjectExtension.php

@@ -2,11 +2,11 @@
 
 namespace SilverStripe\FrameworkTest\Extension;
 
-use SilverStripe\ORM\DataExtension;
+use SilverStripe\Core\Extension;
 use SilverStripe\Security\Permission;
 use SilverStripe\Security\PermissionProvider;
 
-class TestDataObjectExtension extends DataExtension implements PermissionProvider
+class TestDataObjectExtension extends Extension implements PermissionProvider
 {
     public function providePermissions()
     {

code/elemental/ElementalBehatTestExtension.php

@@ -3,9 +3,9 @@
 namespace SilverStripe\FrameworkTest\Elemental\Extension;
 
 use DNADesign\Elemental\Models\ElementalArea;
-use SilverStripe\ORM\DataExtension;
+use SilverStripe\Core\Extension;
 
-class ElementalBehatTestExtension extends DataExtension
+class ElementalBehatTestExtension extends Extension
 {
     private static $has_one = [
         'ElementalArea' => ElementalArea::class,