[MD] Fix bookmark bar painting bugs.

chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc

Index: chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
diff --git a/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc b/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
index b642a9be4a733f713083e015cd4f5f8ce8e995aa..a4250e3c70f99f68c69cf2281e2d10b507f10109 100644
--- a/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
+++ b/chrome/browser/ui/views/bookmarks/bookmark_bar_view.cc
@@ -619,7 +619,6 @@ BookmarkBarView::BookmarkBarView(Browser* browser, BrowserView* browser_view)
   if (ui::MaterialDesignController::IsModeMaterial()) {
     // Don't let the bookmarks show on top of the location bar while animating.
     SetPaintToLayer(true);
-    layer()->SetFillsBoundsOpaquely(false);
     layer()->SetMasksToBounds(true);
   }
 
@@ -2112,6 +2111,9 @@ void BookmarkBarView::UpdateAppearanceForTheme() {
       gfx::CreateVectorIcon(gfx::VectorIconId::OVERFLOW_CHEVRON, 8,
                             theme_provider->GetColor(
                                 ThemeProperties::COLOR_TOOLBAR_BUTTON_ICON)));
+
+  // Redraw the background.
+  SchedulePaint();
 }
 
 bool BookmarkBarView::UpdateOtherAndManagedButtonsVisibility() {