Update ConstrainedWindowViews appearance according to mock

ui/views/view_unittest.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 <map>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/rand_util.h"
 #include "base/string_util.h"
 #include "base/utf_string_conversions.h"
@@ skipping 1726 matching lines @@
         EXPECT_TRUE(test_dialog_->last_pressed_button_ ==
             test_dialog_->button2_);
         break;
     }
     test_dialog_->ResetStates();
   }
 
   FocusManager* focus_manager_;
   TestDialog* test_dialog_;
   DialogClientView* client_view_;
-  NativeTextButton* ok_button_;
-  NativeTextButton* cancel_button_;
+  TextButton* ok_button_;
+  TextButton* cancel_button_;
 };
 
 TEST_F(DefaultButtonTest, DialogDefaultButtonTest) {
   // Window has just been shown, we expect the default button specified in the
   // DialogDelegate.
   EXPECT_TRUE(ok_button_->is_default());
 
   // Simulate pressing enter, that should trigger the OK button.
   SimulatePressingEnterAndCheckDefaultButton(OK);
 
@@ skipping 1624 matching lines @@
   // Set to non default value.
   v->layer()->set_scale_content(false);
   scoped_ptr<ui::Layer> old_layer(v->RecreateLayer());
   ui::Layer* new_layer = v->layer();
   EXPECT_FALSE(new_layer->scale_content());
 }
 
 #endif  // USE_AURA
 
 }  // namespace views