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

chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc

Index: chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc
diff --git a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc
index 2cf3af3f1319541e9a65db5a543a72ecf92be3b8..1c3fc0be9220fa46b83183fd26317b05e8a06b50 100644
--- a/chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc
+++ b/chrome/browser/ui/autofill/autofill_dialog_controller_impl.cc
@@ -687,7 +687,19 @@ ui::ComboboxModel* AutofillDialogControllerImpl::ComboboxModelForAutofillType(
 
 ui::MenuModel* AutofillDialogControllerImpl::MenuModelForSection(
     DialogSection section) {
-  return SuggestionsMenuModelForSection(section);
+  SuggestionsMenuModel* model = SuggestionsMenuModelForSection(section);
+  // The shipping section menu is special. It will always show because there is
+  // a choice between "Use billing" and "enter new".
+  if (section == SECTION_SHIPPING)
+    return model;
+
+  // For other sections, only show a menu if there's at least one suggestion.
+  for (int i = 0; i < model->GetItemCount(); ++i) {
+    if (IsASuggestionItemKey(model->GetItemKeyAt(i)))
+      return model;
+  }
+
+  return NULL;

[aruslan, 2013/04/30 16:37:28]

On Android the editing form is shown only when the user asked to Add/Edit a
section value.
The "steady" state of the dialog has all sections collapsed and showing the
selected value.

To avoid breakage on Android, please keep returning the valid set of items for
Android till the UI issue is resolved.

 }
 
 ui::MenuModel* AutofillDialogControllerImpl::MenuModelForAccountChooser() {