[omnibox] Re-apply styling on result view selection change.

Do this only in the pre-Refresh UI, where on Windows (and possibly
some other circumstances?), the text styling is dependent on the
selection state.

Bug: 869768
Change-Id: If4ec69bb2316b0596116210f6e3aa70d1866b182
Reviewed-on: https://chromium-review.googlesource.com/1176196Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Commit-Queue: Justin Donnelly <jdonnelly@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583353}

chrome/browser/ui/views/omnibox/omnibox_result_view.cc

@@ -176,10 +176,10 @@ void OmniboxResultView::Invalidate() {
     suggestion_view_->description()->SetText(match_.description,
                                              match_.description_class);
 
-    // Normally, OmniboxTextView caches its appearance, but in high contrast
-    // selected-ness changes the text colors, so the styling of the text part of
-    // the results needs to be recomputed.
-    if (high_contrast) {
+    // Normally, OmniboxTextView caches its appearance, but in high contrast and
+    // on Windows in the pre-Refresh UI, selected-ness changes the text colors,
+    // so the styling of the text part of the results needs to be recomputed.
+    if (high_contrast || !ui::MaterialDesignController::IsRefreshUi()) {
       suggestion_view_->content()->ReapplyStyling();
       suggestion_view_->description()->ReapplyStyling();
     }