Fix omnibox focus ring regression on Windows.

chrome/browser/ui/views/location_bar/location_bar_view.cc

Index: chrome/browser/ui/views/location_bar/location_bar_view.cc
diff --git a/chrome/browser/ui/views/location_bar/location_bar_view.cc b/chrome/browser/ui/views/location_bar/location_bar_view.cc
index b6e2cb0305cd2cbd9c82aaa7398f29bdd1f16078..36771b92b0e2149ab5f23bb7c5c6a91ab3a8e8e1 100644
--- a/chrome/browser/ui/views/location_bar/location_bar_view.cc
+++ b/chrome/browser/ui/views/location_bar/location_bar_view.cc
@@ -1441,6 +1441,12 @@ void LocationBarView::OnBoundsChanged(const gfx::Rect& previous_bounds) {
     popup->UpdatePopupAppearance();
 }
 
+void LocationBarView::OnFocus() {
+  // Explicitly focus the omnibox so a focus ring will be displayed around it on
+  // Windows.
+  omnibox_view_->SetFocus();
+}
+
 void LocationBarView::OnPaint(gfx::Canvas* canvas) {
   View::OnPaint(canvas);