[SpellCheck] Add separator if we add "Add to dictionary" option

chrome/browser/renderer_context_menu/spelling_menu_observer.cc

Index: chrome/browser/renderer_context_menu/spelling_menu_observer.cc
diff --git a/chrome/browser/renderer_context_menu/spelling_menu_observer.cc b/chrome/browser/renderer_context_menu/spelling_menu_observer.cc
index 88738e6f67987863c6da00a8896b3417906e5f44..0cbdbc707befd72eb671b984b7b66537ced76370 100644
--- a/chrome/browser/renderer_context_menu/spelling_menu_observer.cc
+++ b/chrome/browser/renderer_context_menu/spelling_menu_observer.cc
@@ -159,6 +159,7 @@ void SpellingMenuObserver::InitMenu(const content::ContextMenuParams& params) {
         SpellcheckServiceFactory::GetForContext(browser_context);
     if (spellcheck_service && spellcheck_service->GetMetrics())
       spellcheck_service->GetMetrics()->RecordSuggestionStats(1);
+    proxy_->AddSeparator();
   }
 
   // If word is misspelled, give option for "Add to dictionary" and, if