views: Make view::Views::GetPreferredSize() const.

chrome/browser/ui/views/menu_test_base.cc

 // Copyright 2014 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/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/views/menu_test_base.h"
 #include "chrome/test/base/interactive_test_utils.h"
 #include "chrome/test/base/ui_test_utils.h"
 #include "ui/aura/window.h"
 #include "ui/base/test/ui_controls.h"
@@ skipping 43 matching lines @@
 }
 
 views::View* MenuTestBase::CreateContentsView() {
   return button_;
 }
 
 void MenuTestBase::DoTestOnMessageLoop() {
   Click(button_, CreateEventTask(this, &MenuTestBase::DoTestWithMenuOpen));
 }
 
-gfx::Size MenuTestBase::GetPreferredSize() {
+gfx::Size MenuTestBase::GetPreferredSize() const {
   return button_->GetPreferredSize();
 }
 
 void MenuTestBase::OnMenuButtonClicked(views::View* source,
                                        const gfx::Point& point) {
   gfx::Point screen_location;
   views::View::ConvertPointToScreen(source, &screen_location);
   gfx::Rect bounds(screen_location, source->size());
   ignore_result(menu_runner_->RunMenuAt(source->GetWidget(),
                                         button_,
                                         bounds,
                                         views::MENU_ANCHOR_TOPLEFT,
                                         ui::MENU_SOURCE_NONE,
                                         views::MenuRunner::HAS_MNEMONICS));
 }
 
 void MenuTestBase::ExecuteCommand(int id) {
   last_command_ = id;
 }