Don't display drop down arrows in rAc dialog unless there is a suggestion

chrome/browser/ui/views/autofill/autofill_dialog_views.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/views/autofill/autofill_dialog_views.h"
 
 #include <utility>
 
 #include "base/bind.h"
 #include "base/utf_string_conversions.h"
@@ skipping 1355 matching lines @@
         suggestion_state.extra_icon.AsImageSkia());
   }
 
   group.manual_input->SetVisible(!show_suggestions);
 
   // Show or hide the "Save in chrome" checkbox. If nothing is in editing mode,
   // hide. If the controller tells us not to show it, likewise hide.
   save_in_chrome_checkbox_->SetVisible(
       controller_->ShouldOfferToSaveInChrome());
 
-  const bool has_suggestions =
-      controller_->MenuModelForSection(group.section)->GetItemCount() > 0;
+  const bool has_menu = !!controller_->MenuModelForSection(group.section);
 
   if (group.suggested_button)
-    group.suggested_button->SetVisible(has_suggestions);
+    group.suggested_button->SetVisible(has_menu);
 
   if (group.container) {
-    group.container->SetForwardMouseEvents(has_suggestions && show_suggestions);
+    group.container->SetForwardMouseEvents(has_menu && show_suggestions);
     group.container->SetVisible(controller_->SectionIsActive(group.section));
   }
 
   ContentsPreferredSizeChanged();
 }
 
 bool AutofillDialogViews::ValidateGroup(
     DetailsGroup* group,
     AutofillDialogController::ValidationType validation_type) {
   DCHECK(group->container->visible());
@@ skipping 185 matching lines @@
 AutofillDialogViews::DetailsGroup::DetailsGroup(DialogSection section)
     : section(section),
       container(NULL),
       manual_input(NULL),
       suggested_info(NULL),
       suggested_button(NULL) {}
 
 AutofillDialogViews::DetailsGroup::~DetailsGroup() {}
 
 }  // namespace autofill