Cleanup AdjustStringForLocaleDirection()

views/window/window_gtk.cc

Index: views/window/window_gtk.cc
diff --git a/views/window/window_gtk.cc b/views/window/window_gtk.cc
index 3d7f7887e5a736acfd08f8164233768db20a8534..e05cce1873dee06db7c284f1184e19d8af5f46b0 100644
--- a/views/window/window_gtk.cc
+++ b/views/window/window_gtk.cc
@@ -206,9 +206,7 @@ void WindowGtk::UpdateWindowTitle() {
   // Update the native frame's text. We do this regardless of whether or not
   // the native frame is being used, since this also updates the taskbar, etc.
   std::wstring window_title = window_delegate_->GetWindowTitle();
-  std::wstring localized_text;
-  if (base::i18n::AdjustStringForLocaleDirection(window_title, &localized_text))
-    window_title.assign(localized_text);
+  base::i18n::AdjustStringForLocaleDirection(&window_title);
 
   gtk_window_set_title(GetNativeWindow(), WideToUTF8(window_title).c_str());
 }