[UI Views] Don't allow a ButtonListener and a MenuButtonListener

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

 // Copyright 2015 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 "base/macros.h"
 #include "base/run_loop.h"
 #include "base/strings/string16.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/sessions/session_tab_helper.h"
 #include "chrome/browser/ui/toolbar/test_toolbar_action_view_controller.h"
@@ skipping 200 matching lines @@
     EXPECT_EQ(old_execute_action_count, controller.execute_action_count());
   }
 
   // Ensure that the button's want-to-run state reflects that of the controller.
   controller.SetWantsToRun(true);
   EXPECT_TRUE(view.wants_to_run_for_testing());
   controller.SetWantsToRun(false);
   EXPECT_FALSE(view.wants_to_run_for_testing());
 
   // Create an overflow button.
-  views::MenuButton overflow_button(nullptr, base::string16(), nullptr, false);
+  views::MenuButton overflow_button(base::string16(), nullptr, false);
   overflow_button.set_owned_by_client();
   action_view_delegate.set_overflow_reference_view(&overflow_button);
 
   // If the view isn't visible, the overflow button should be pressed for
   // popups.
   view.SetVisible(false);
   controller.ShowPopup(true);
   EXPECT_EQ(views::Button::STATE_NORMAL, view.state());
   EXPECT_EQ(views::Button::STATE_PRESSED, overflow_button.state());
   controller.HidePopup();
   EXPECT_EQ(views::Button::STATE_NORMAL, view.state());
   EXPECT_EQ(views::Button::STATE_NORMAL, overflow_button.state());
 }