Settings EG Test Autorelease Fix

ios/web/web_state/ui/wk_web_view_configuration_provider.mm

Index: ios/web/web_state/ui/wk_web_view_configuration_provider.mm
diff --git a/ios/web/web_state/ui/wk_web_view_configuration_provider.mm b/ios/web/web_state/ui/wk_web_view_configuration_provider.mm
index 7527133963eaf71a5d883e8b9da24a8d72e6df5a..9ba589914b32398b083feef94a67b29456eecaf0 100644
--- a/ios/web/web_state/ui/wk_web_view_configuration_provider.mm
+++ b/ios/web/web_state/ui/wk_web_view_configuration_provider.mm
@@ -87,20 +87,8 @@ WKWebViewConfigurationProvider::GetScriptMessageRouter() {
 
 void WKWebViewConfigurationProvider::Purge() {
   DCHECK([NSThread isMainThread]);
-#if DCHECK_IS_ON()
-  base::WeakNSObject<id> weak_configuration(configuration_);
-  base::WeakNSObject<id> weak_router(router_);
-  base::WeakNSObject<id> weak_process_pool([configuration_ processPool]);
-#endif  // DCHECK_IS_ON()
   configuration_.reset();
   router_.reset();
-  // Make sure that no one retains configuration, router, processPool.
-#if DCHECK_IS_ON()
-  DCHECK(!weak_configuration);
-  DCHECK(!weak_router);
-  // TODO(crbug.com/522672): Enable this DCHECK.
-  // DCHECK(!weak_process_pool);
-#endif  // DCHECK_IS_ON()
 }
 
 }  // namespace web