Revert of Merge NativeTextfieldViews into views::Textfield.

chrome/browser/ui/views/autofill/decorated_textfield_unittest.cc

+// Copyright 2013 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/autofill/decorated_textfield.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/views/controls/button/label_button.h"
+
+namespace autofill {
+
+TEST(DecoratedTextfieldTest, HeightMatchesButton) {
+  DecoratedTextfield textfield(base::ASCIIToUTF16("default"),
+                               base::ASCIIToUTF16("placeholder"),
+                               NULL);
+  views::LabelButton button(NULL, base::ASCIIToUTF16("anyoldtext"));;
+  button.SetStyle(views::Button::STYLE_BUTTON);
+  EXPECT_EQ(button.GetPreferredSize().height() -
+                DecoratedTextfield::kMagicInsetNumber,
+            textfield.GetPreferredSize().height());
+}
+
+}  // namespace autofill