Remove buttons from internal page info bubble.

chrome/browser/ui/views/website_settings/website_settings_popup_view.cc

Index: chrome/browser/ui/views/website_settings/website_settings_popup_view.cc
diff --git a/chrome/browser/ui/views/website_settings/website_settings_popup_view.cc b/chrome/browser/ui/views/website_settings/website_settings_popup_view.cc
index d9092091d0418245ce9f4ffdd551200b472b9aa4..f31bef51b8a7f3f02eb534444073274204680c63 100644
--- a/chrome/browser/ui/views/website_settings/website_settings_popup_view.cc
+++ b/chrome/browser/ui/views/website_settings/website_settings_popup_view.cc
@@ -167,6 +167,7 @@ class InternalPageInfoPopupView : public views::BubbleDialogDelegateView {
   views::NonClientFrameView* CreateNonClientFrameView(
       views::Widget* widget) override;
   void OnWidgetDestroying(views::Widget* widget) override;
+  int GetDialogButtons() const override;
 
  private:
   friend class WebsiteSettingsPopupView;
@@ -396,6 +397,10 @@ void InternalPageInfoPopupView::OnWidgetDestroying(views::Widget* widget) {
   is_popup_showing = false;
 }
 
+int InternalPageInfoPopupView::GetDialogButtons() const {
+  return ui::DIALOG_BUTTON_NONE;
+}
+
 ////////////////////////////////////////////////////////////////////////////////
 // WebsiteSettingsPopupView
 ////////////////////////////////////////////////////////////////////////////////