Issue #3126003 by tedbow, alexpott, pfrenssen, lauriii: Increased memory usage during install

(cherry picked from commit df1d6896)

core/core.services.yml

@@ -522,7 +522,7 @@ services:
     class: Drupal\Core\Extension\ModuleInstaller
     tags:
       - { name: service_collector, tag: 'module_install.uninstall_validator', call: addUninstallValidator }
-    arguments: ['%app.root%', '@module_handler', '@kernel', '@extension.list.theme']
+    arguments: ['%app.root%', '@module_handler', '@kernel']
     lazy: true
   extension.list.module:
     class: Drupal\Core\Extension\ModuleExtensionList

core/lib/Drupal/Core/Extension/ModuleInstaller.php

@@ -50,13 +50,6 @@ class ModuleInstaller implements ModuleInstallerInterface {
    */
   protected $uninstallValidators;
 
-  /**
-   * The theme extension list.
-   *
-   * @var \Drupal\Core\Extension\ThemeExtensionList
-   */
-  protected $themeExtensionList;
-
   /**
    * Constructs a new ModuleInstaller instance.
    *
@@ -66,21 +59,14 @@ class ModuleInstaller implements ModuleInstallerInterface {
    *   The module handler.
    * @param \Drupal\Core\DrupalKernelInterface $kernel
    *   The drupal kernel.
-   * @param \Drupal\Core\Extension\ThemeExtensionList $extension_list_theme
-   *   The theme extension list.
    *
    * @see \Drupal\Core\DrupalKernel
    * @see \Drupal\Core\CoreServiceProvider
    */
-  public function __construct($root, ModuleHandlerInterface $module_handler, DrupalKernelInterface $kernel, ThemeExtensionList $extension_list_theme = NULL) {
+  public function __construct($root, ModuleHandlerInterface $module_handler, DrupalKernelInterface $kernel) {
     $this->root = $root;
     $this->moduleHandler = $module_handler;
     $this->kernel = $kernel;
-    if (is_null($extension_list_theme)) {
-      @trigger_error('The extension.list.theme service must be passed to ' . __NAMESPACE__ . '\ModuleInstaller::__construct(). It was added in drupal:8.9.0 and will be required before drupal:10.0.0.', E_USER_DEPRECATED);
-      $extension_list_theme = \Drupal::service('extension.list.theme');
-    }
-    $this->themeExtensionList = $extension_list_theme;
   }
 
   /**
@@ -386,7 +372,7 @@ public function uninstall(array $module_list, $uninstall_dependents = TRUE) {
     }
 
     if ($uninstall_dependents) {
-      $theme_list = $this->themeExtensionList->getList();
+      $theme_list = \Drupal::service('extension.list.theme')->getList();
 
       // Add dependent modules to the list. The new modules will be processed as
       // the foreach loop continues.
@@ -594,7 +580,6 @@ protected function updateKernel($module_filenames) {
     // After rebuilding the container we need to update the injected
     // dependencies.
     $container = $this->kernel->getContainer();
-    $this->themeExtensionList = $container->get('extension.list.theme');
     $this->moduleHandler = $container->get('module_handler');
   }