Use "second" instead of "sec" in TimeRemainingLong()

ui/base/l10n/time_format.h

 // Copyright (c) 2011 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 UI_BASE_L10N_TIME_FORMAT_H_
 #define UI_BASE_L10N_TIME_FORMAT_H_
 
 #include "base/basictypes.h"
 #include "base/strings/string16.h"
 #include "ui/base/ui_base_export.h"
@@ skipping 11 matching lines @@
   // TimeElapsed, TimeRemaining* and TimeDuration*:
   // These functions return a localized string of approximate time duration.
 
   // Returns times in elapsed-format: "3 mins ago", "2 days ago".
   static base::string16 TimeElapsed(const base::TimeDelta& delta);
 
   // Returns times in remaining-format: "3 mins left", "2 days left".
   static base::string16 TimeRemaining(const base::TimeDelta& delta);
 
   // Returns times in remaining-long-format: "3 minutes left", "2 days left".
-  // Currently, this only affects the minutes in long format, the rest
-  // of the time units are formatted the same as TimeRemaining does.
   static base::string16 TimeRemainingLong(const base::TimeDelta& delta);
 
   // Returns times in short-format: "3 mins", "2 days".
   static base::string16 TimeDurationShort(const base::TimeDelta& delta);
 
   // Return times in long-format: "2 hours", "25 minutes".
   static base::string16 TimeDurationLong(const base::TimeDelta& delta);
 
   // For displaying a relative time in the past.  This method returns either
   // "Today", "Yesterday", or an empty string if it's older than that.  Returns
@@ skipping 12 matching lines @@
   static base::string16 RelativeDate(const base::Time& time,
                                      const base::Time* optional_midnight_today);
 
  private:
   DISALLOW_IMPLICIT_CONSTRUCTORS(TimeFormat);
 };
 
 }  // namespace ui
 
 #endif  // UI_BASE_L10N_TIME_FORMAT_H_