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diff --git a/content/renderer/date_time_formatter.h b/content/renderer/date_time_formatter.h
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+++ b/content/renderer/date_time_formatter.h
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+// Copyright (c) 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 CONTENT_RENDERER_DATE_TIME_FORMATTER_H_
+#define CONTENT_RENDERER_DATE_TIME_FORMATTER_H_
+
+#include "base/basictypes.h"
+#include "content/common/content_export.h"
+#include "third_party/icu/public/common/unicode/unistr.h"
+#include "third_party/icu/public/i18n/unicode/gregocal.h"
+#include "ui/base/ime/text_input_type.h"
+
+namespace WebKit {
+struct WebDateTimeChooserParams;
+}  // namespace WebKit
+
+namespace content {
+
+// Converts between a text string representing a date/time and
+// a set of year/month/day/hour/minute/second and vice versa.
+// It is timezone agnostic.
+class CONTENT_EXPORT DateTimeFormatter {
+ public:
+  explicit DateTimeFormatter(const WebKit::WebDateTimeChooserParams& source);
+  DateTimeFormatter(
+      ui::TextInputType type,
+      int year, int month, int day, int hour, int minute, int second);
+  ~DateTimeFormatter();
+
+  int GetYear() const;
+  int GetMonth() const;
+  int GetDay() const;
+  int GetHour() const;
+  int GetMinute() const;
+  int GetSecond() const;
+  ui::TextInputType GetType() const;
+  const std::string& GetFormattedValue() const;
+
+ private:
+  void CreatePatternMap();
+  bool ParseValues();
+  const std::string FormatString() const;
+  int ExtractValue(
+      const icu::Calendar* calendar, UCalendarDateFields value) const;
+  void ExtractType(const WebKit::WebDateTimeChooserParams& source);
+  void ClearAll();
+
+  ui::TextInputType type_;
+  icu::UnicodeString patterns_[ui::TEXT_INPUT_TYPE_MAX + 1];
+  int year_;
+  int month_;
+  int day_;
+  int hour_;
+  int minute_;
+  int second_;
+  const icu::UnicodeString* pattern_;
+  std::string formatted_string_;
+
+  DISALLOW_COPY_AND_ASSIGN(DateTimeFormatter);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_RENDERER_DATE_TIME_FORMATTER_H_