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

chrome/browser/ui/autofill/autofill_dialog_controller_impl.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_CONTROLLER_IMPL_H_
 #define CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_CONTROLLER_IMPL_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 99 matching lines @@
   virtual bool AutocheckoutIsRunning() const OVERRIDE;
   virtual bool HadAutocheckoutError() const OVERRIDE;
   virtual bool IsDialogButtonEnabled(ui::DialogButton button) const OVERRIDE;
   virtual const std::vector<ui::Range>& LegalDocumentLinks() OVERRIDE;
   virtual bool SectionIsActive(DialogSection section) const OVERRIDE;
   virtual const DetailInputs& RequestedFieldsForSection(DialogSection section)
       const OVERRIDE;
   virtual ui::ComboboxModel* ComboboxModelForAutofillType(
       AutofillFieldType type) OVERRIDE;
   virtual ui::MenuModel* MenuModelForSection(DialogSection section) OVERRIDE;
+#if defined(OS_ANDROID)
+  virtual ui::MenuModel* MenuModelForSectionHack(DialogSection section)
+      OVERRIDE;
+#endif
   virtual string16 LabelForSection(DialogSection section) const OVERRIDE;
   virtual SuggestionState SuggestionStateForSection(
       DialogSection section) OVERRIDE;
   virtual void EditClickedForSection(DialogSection section) OVERRIDE;
   virtual void EditCancelledForSection(DialogSection section) OVERRIDE;
   virtual gfx::Image IconForField(AutofillFieldType type,
                                   const string16& user_input) const OVERRIDE;
   virtual bool InputIsValid(AutofillFieldType type,
                             const string16& value) const OVERRIDE;
   virtual std::vector<AutofillFieldType> InputsAreValid(
@@ skipping 416 matching lines @@
 
   // Whether the latency to display to the UI was logged to UMA yet.
   bool was_ui_latency_logged_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillDialogControllerImpl);
 };
 
 }  // namespace autofill
 
 #endif  // CHROME_BROWSER_UI_AUTOFILL_AUTOFILL_DIALOG_CONTROLLER_IMPL_H_