Revert of Extracting placeholder information from Webkit to Blimp

content/public/common/form_field_data.h

-// Copyright (c) 2016 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 CONTENT_PUBLIC_COMMON_FORM_FIELD_DATA_H_
-#define CONTENT_PUBLIC_COMMON_FORM_FIELD_DATA_H_
-
-#include <string>
-
-#include "content/common/content_export.h"
-#include "ui/base/ime/text_input_type.h"
-
-namespace content {
-
-// Contains information about a form input field.
-struct CONTENT_EXPORT FormFieldData {
-  FormFieldData();
-  FormFieldData(const FormFieldData& other);
-  ~FormFieldData();
-
-  std::string text;
-  std::string placeholder;
-  ui::TextInputType text_input_type;
-};
-
-}  // namespace content
-
-#endif  // CONTENT_PUBLIC_COMMON_FORM_FIELD_DATA_H_