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diff --git a/base/time_format.cc b/base/time_format.cc
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+++ b/base/time_format.cc
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+// Copyright 2008, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//    * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//    * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//    * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+#include "base/time_format.h"
+
+#include "base/logging.h"
+#include "base/string_util.h"
+#include "base/time.h"
+#include "unicode/datefmt.h"
+
+namespace {
+
+std::wstring TimeFormat(const DateFormat* formatter,
+                        const Time& time) {
+  DCHECK(formatter);
+  UnicodeString date_string;
+  
+  formatter->format(static_cast<UDate>(time.ToDoubleT() * 1000), date_string);
+  return UTF16ToWide(date_string.getTerminatedBuffer());
+}
+
+}
+
+namespace base {
+
+std::wstring TimeFormatTimeOfDay(const Time& time) {
+  // We can omit the locale parameter because the default should match
+  // Chrome's application locale.
+  scoped_ptr<DateFormat> formatter(DateFormat::createTimeInstance(
+      DateFormat::kShort));
+  return TimeFormat(formatter.get(), time);
+}
+
+std::wstring TimeFormatShortDate(const Time& time) {
+  scoped_ptr<DateFormat> formatter(DateFormat::createDateInstance(
+      DateFormat::kMedium));
+  return TimeFormat(formatter.get(), time);
+}
+
+std::wstring TimeFormatShortDateNumeric(const Time& time) {
+  scoped_ptr<DateFormat> formatter(DateFormat::createDateInstance(
+      DateFormat::kShort));
+  return TimeFormat(formatter.get(), time);
+}
+
+std::wstring TimeFormatShortDateAndTime(const Time& time) {
+   scoped_ptr<DateFormat> formatter(DateFormat::createDateTimeInstance(
+      DateFormat::kShort));
+  return TimeFormat(formatter.get(), time);
+}
+
+std::wstring TimeFormatFriendlyDateAndTime(const Time& time) {
+   scoped_ptr<DateFormat> formatter(DateFormat::createDateTimeInstance(
+      DateFormat::kFull));
+  return TimeFormat(formatter.get(), time);
+}
+
+std::wstring TimeFormatFriendlyDate(const Time& time) {
+  scoped_ptr<DateFormat> formatter(DateFormat::createDateInstance(
+      DateFormat::kFull));
+  return TimeFormat(formatter.get(), time);
+}
+
+}  // namespace base