fix a comment in wk_web_view_configuration_util_unittests.mm

Change-Id: Ie11119d9c018812a17ced065be764547e1dbebef
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1911919
Auto-Submit: Jiajun Ou <garzonou@google.com>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Reviewed-by: Eugene But <eugenebut@chromium.org>
Commit-Queue: Eugene But <eugenebut@chromium.org>
Cr-Commit-Position: refs/heads/master@{#714559}

ios/web/web_view_only/wk_web_view_configuration_util_unittests.mm

@@ -34,4 +34,4 @@ TEST_F(WebViewOnlyAPITest, EnsureWebViewCreatedWithConfiguration) {
   [web_controller() removeWebView];
 }
 
-}  // namespace
+}  // namespace web