[top-chrome-md] Made extension buttons show the highlight when focused.

chrome/browser/ui/views/toolbar/toolbar_action_view.cc

Index: chrome/browser/ui/views/toolbar/toolbar_action_view.cc
diff --git a/chrome/browser/ui/views/toolbar/toolbar_action_view.cc b/chrome/browser/ui/views/toolbar/toolbar_action_view.cc
index 9968433c774838f490295daa411611a248a00183..c447979c1216c3d4110dae9f15c0ac96090dacfa 100644
--- a/chrome/browser/ui/views/toolbar/toolbar_action_view.cc
+++ b/chrome/browser/ui/views/toolbar/toolbar_action_view.cc
@@ -110,6 +110,7 @@ std::unique_ptr<views::InkDrop> ToolbarActionView::CreateInkDrop() {
   std::unique_ptr<views::InkDropImpl> ink_drop =
       CustomButton::CreateDefaultInkDropImpl();
   ink_drop->SetShowHighlightOnHover(!delegate_->ShownInsideMenu());
+  ink_drop->SetShowHighlightOnFocus(true);
   return std::move(ink_drop);
 }