Update appearance of invalid textfields in Harmony.

chrome/browser/ui/views/autofill/decorated_textfield.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_VIEWS_AUTOFILL_DECORATED_TEXTFIELD_H_
-#define CHROME_BROWSER_UI_VIEWS_AUTOFILL_DECORATED_TEXTFIELD_H_
-
-#include <memory>
-
-#include "base/macros.h"
-#include "base/strings/string16.h"
-#include "ui/views/controls/textfield/textfield.h"
-
-namespace views {
-class TextfieldController;
-}
-
-namespace autofill {
-
-// A class which holds a textfield and draws extra stuff on top, like
-// invalid content indications.
-// TODO(estade): the usefulness of this class is dubious now that it's been
-// stripped of most of its functionality.
-class DecoratedTextfield : public views::Textfield {
- public:
-  static const char kViewClassName[];
-
-  DecoratedTextfield(const base::string16& default_value,
-                     const base::string16& placeholder,
-                     views::TextfieldController* controller);
-  ~DecoratedTextfield() override;
-
-  // Sets whether to indicate the textfield has invalid content.
-  void SetInvalid(bool invalid);
-  bool invalid() const { return invalid_; }
-
-  // views::View implementation.
-  const char* GetClassName() const override;
-
- private:
-  // Updates the border after its color or insets may have changed.
-  void UpdateBorder();
-
-  // Whether the text contents are "invalid" (i.e. should special markers be
-  // shown to indicate invalidness).
-  bool invalid_;
-
-  DISALLOW_COPY_AND_ASSIGN(DecoratedTextfield);
-};
-
-}  // namespace autofill
-
-#endif  // CHROME_BROWSER_UI_VIEWS_AUTOFILL_DECORATED_TEXTFIELD_H_