system-web-apps: fix typo in system_web_app_ui_utils comment

Bug: 1114939
Change-Id: I912370270185cd18225242ead50010c50a4baee1
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2545324
Commit-Queue: Jiewei Qian  <qjw@chromium.org>
Commit-Queue: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Auto-Submit: Jiewei Qian  <qjw@chromium.org>
Reviewed-by: Giovanni Ortuño Urquidi <ortuno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#828507}

chrome/browser/ui/web_applications/system_web_app_ui_utils.cc

@@ -263,7 +263,7 @@ Browser* LaunchSystemWebApp(Profile* profile,
   // inactive (background) desktop (e.g. when multiple users are logged in).
   // Here we move the newly created browser window (or the existing one on the
   // inactive desktop) to the current active (visible) desktop, so the user
-  // always see the launched app.
+  // always sees the launched app.
   multi_user_util::MoveWindowToCurrentDesktop(
       browser->window()->GetNativeWindow());
 #endif