Apply clang-format with Chromium-style without column limit.

third_party/WebKit/Source/wtf/DateMath.cpp

 /*
  * Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
  * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2007-2009 Torch Mobile, Inc.
  * Copyright (C) 2010 &yet, LLC. (nate@andyet.net)
  *
  * The Original Code is Mozilla Communicator client code, released
  * March 31, 1998.
  *
@@ skipping 81 matching lines @@
 #include <sys/time.h>
 #endif
 
 namespace WTF {
 
 /* Constants */
 
 static const double hoursPerDay = 24.0;
 static const double secondsPerDay = 24.0 * 60.0 * 60.0;
 
-static const double maxUnixTime = 2145859200.0; // 12/31/2037
+static const double maxUnixTime = 2145859200.0;  // 12/31/2037
 
 // Day of year for the first day of each month, where index 0 is January, and day 0 is January 1.
 // First for non-leap years, then for leap years.
 static const int firstDayOfMonth[2][12] = {
     {0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334},
-    {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335}
-};
+    {0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335}};
 
-static inline void getLocalTime(const time_t* localTime, struct tm* localTM)
-{
+static inline void getLocalTime(const time_t* localTime, struct tm* localTM) {
 #if COMPILER(MSVC)
-    localtime_s(localTM, localTime);
+  localtime_s(localTM, localTime);
 #else
-    localtime_r(localTime, localTM);
+  localtime_r(localTime, localTM);
 #endif
 }
 
-bool isLeapYear(int year)
-{
-    if (year % 4 != 0)
-        return false;
-    if (year % 400 == 0)
-        return true;
-    if (year % 100 == 0)
-        return false;
+bool isLeapYear(int year) {
+  if (year % 4 != 0)
+    return false;
+  if (year % 400 == 0)
     return true;
+  if (year % 100 == 0)
+    return false;
+  return true;
 }
 
-static inline int daysInYear(int year)
-{
-    return 365 + isLeapYear(year);
+static inline int daysInYear(int year) {
+  return 365 + isLeapYear(year);
 }
 
-static inline double daysFrom1970ToYear(int year)
-{
-    // The Gregorian Calendar rules for leap years:
-    // Every fourth year is a leap year.  2004, 2008, and 2012 are leap years.
-    // However, every hundredth year is not a leap year.  1900 and 2100 are not leap years.
-    // Every four hundred years, there's a leap year after all.  2000 and 2400 are leap years.
+static inline double daysFrom1970ToYear(int year) {
+  // The Gregorian Calendar rules for leap years:
+  // Every fourth year is a leap year.  2004, 2008, and 2012 are leap years.
+  // However, every hundredth year is not a leap year.  1900 and 2100 are not leap years.
+  // Every four hundred years, there's a leap year after all.  2000 and 2400 are leap years.
 
-    static const int leapDaysBefore1971By4Rule = 1970 / 4;
-    static const int excludedLeapDaysBefore1971By100Rule = 1970 / 100;
-    static const int leapDaysBefore1971By400Rule = 1970 / 400;
+  static const int leapDaysBefore1971By4Rule = 1970 / 4;
+  static const int excludedLeapDaysBefore1971By100Rule = 1970 / 100;
+  static const int leapDaysBefore1971By400Rule = 1970 / 400;
 
-    const double yearMinusOne = year - 1;
-    const double yearsToAddBy4Rule = floor(yearMinusOne / 4.0) - leapDaysBefore1971By4Rule;
-    const double yearsToExcludeBy100Rule = floor(yearMinusOne / 100.0) - excludedLeapDaysBefore1971By100Rule;
-    const double yearsToAddBy400Rule = floor(yearMinusOne / 400.0) - leapDaysBefore1971By400Rule;
+  const double yearMinusOne = year - 1;
+  const double yearsToAddBy4Rule = floor(yearMinusOne / 4.0) - leapDaysBefore1971By4Rule;
+  const double yearsToExcludeBy100Rule = floor(yearMinusOne / 100.0) - excludedLeapDaysBefore1971By100Rule;
+  const double yearsToAddBy400Rule = floor(yearMinusOne / 400.0) - leapDaysBefore1971By400Rule;
 
-    return 365.0 * (year - 1970) + yearsToAddBy4Rule - yearsToExcludeBy100Rule + yearsToAddBy400Rule;
+  return 365.0 * (year - 1970) + yearsToAddBy4Rule - yearsToExcludeBy100Rule + yearsToAddBy400Rule;
 }
 
-static double msToDays(double ms)
-{
-    return floor(ms / msPerDay);
+static double msToDays(double ms) {
+  return floor(ms / msPerDay);
 }
 
-static void appendTwoDigitNumber(StringBuilder& builder, int number)
-{
-    ASSERT(number >= 0 && number < 100);
-    if (number <= 9)
-        builder.append('0');
-    builder.appendNumber(number);
+static void appendTwoDigitNumber(StringBuilder& builder, int number) {
+  ASSERT(number >= 0 && number < 100);
+  if (number <= 9)
+    builder.append('0');
+  builder.appendNumber(number);
 }
 
-int msToYear(double ms)
-{
-    int approxYear = static_cast<int>(floor(ms / (msPerDay * 365.2425)) + 1970);
-    double msFromApproxYearTo1970 = msPerDay * daysFrom1970ToYear(approxYear);
-    if (msFromApproxYearTo1970 > ms)
-        return approxYear - 1;
-    if (msFromApproxYearTo1970 + msPerDay * daysInYear(approxYear) <= ms)
-        return approxYear + 1;
-    return approxYear;
+int msToYear(double ms) {
+  int approxYear = static_cast<int>(floor(ms / (msPerDay * 365.2425)) + 1970);
+  double msFromApproxYearTo1970 = msPerDay * daysFrom1970ToYear(approxYear);
+  if (msFromApproxYearTo1970 > ms)
+    return approxYear - 1;
+  if (msFromApproxYearTo1970 + msPerDay * daysInYear(approxYear) <= ms)
+    return approxYear + 1;
+  return approxYear;
 }
 
-int dayInYear(double ms, int year)
-{
-    return static_cast<int>(msToDays(ms) - daysFrom1970ToYear(year));
+int dayInYear(double ms, int year) {
+  return static_cast<int>(msToDays(ms) - daysFrom1970ToYear(year));
 }
 
-static inline double msToMilliseconds(double ms)
-{
-    double result = fmod(ms, msPerDay);
-    if (result < 0)
-        result += msPerDay;
-    return result;
+static inline double msToMilliseconds(double ms) {
+  double result = fmod(ms, msPerDay);
+  if (result < 0)
+    result += msPerDay;
+  return result;
 }
 
-int monthFromDayInYear(int dayInYear, bool leapYear)
-{
-    const int d = dayInYear;
-    int step;
+int monthFromDayInYear(int dayInYear, bool leapYear) {
+  const int d = dayInYear;
+  int step;
 
-    if (d < (step = 31))
-        return 0;
-    step += (leapYear ? 29 : 28);
-    if (d < step)
-        return 1;
-    if (d < (step += 31))
-        return 2;
-    if (d < (step += 30))
-        return 3;
-    if (d < (step += 31))
-        return 4;
-    if (d < (step += 30))
-        return 5;
-    if (d < (step += 31))
-        return 6;
-    if (d < (step += 31))
-        return 7;
-    if (d < (step += 30))
-        return 8;
-    if (d < (step += 31))
-        return 9;
-    if (d < (step += 30))
-        return 10;
-    return 11;
+  if (d < (step = 31))
+    return 0;
+  step += (leapYear ? 29 : 28);
+  if (d < step)
+    return 1;
+  if (d < (step += 31))
+    return 2;
+  if (d < (step += 30))
+    return 3;
+  if (d < (step += 31))
+    return 4;
+  if (d < (step += 30))
+    return 5;
+  if (d < (step += 31))
+    return 6;
+  if (d < (step += 31))
+    return 7;
+  if (d < (step += 30))
+    return 8;
+  if (d < (step += 31))
+    return 9;
+  if (d < (step += 30))
+    return 10;
+  return 11;
 }
 
-static inline bool checkMonth(int dayInYear, int& startDayOfThisMonth, int& startDayOfNextMonth, int daysInThisMonth)
-{
-    startDayOfThisMonth = startDayOfNextMonth;
-    startDayOfNextMonth += daysInThisMonth;
-    return (dayInYear <= startDayOfNextMonth);
+static inline bool checkMonth(int dayInYear, int& startDayOfThisMonth, int& startDayOfNextMonth, int daysInThisMonth) {
+  startDayOfThisMonth = startDayOfNextMonth;
+  startDayOfNextMonth += daysInThisMonth;
+  return (dayInYear <= startDayOfNextMonth);
 }
 
-int dayInMonthFromDayInYear(int dayInYear, bool leapYear)
-{
-    const int d = dayInYear;
-    int step;
-    int next = 30;
+int dayInMonthFromDayInYear(int dayInYear, bool leapYear) {
+  const int d = dayInYear;
+  int step;
+  int next = 30;
 
-    if (d <= next)
-        return d + 1;
-    const int daysInFeb = (leapYear ? 29 : 28);
-    if (checkMonth(d, step, next, daysInFeb))
-        return d - step;
-    if (checkMonth(d, step, next, 31))
-        return d - step;
-    if (checkMonth(d, step, next, 30))
-        return d - step;
-    if (checkMonth(d, step, next, 31))
-        return d - step;
-    if (checkMonth(d, step, next, 30))
-        return d - step;
-    if (checkMonth(d, step, next, 31))
-        return d - step;
-    if (checkMonth(d, step, next, 31))
-        return d - step;
-    if (checkMonth(d, step, next, 30))
-        return d - step;
-    if (checkMonth(d, step, next, 31))
-        return d - step;
-    if (checkMonth(d, step, next, 30))
-        return d - step;
-    step = next;
+  if (d <= next)
+    return d + 1;
+  const int daysInFeb = (leapYear ? 29 : 28);
+  if (checkMonth(d, step, next, daysInFeb))
     return d - step;
+  if (checkMonth(d, step, next, 31))
+    return d - step;
+  if (checkMonth(d, step, next, 30))
+    return d - step;
+  if (checkMonth(d, step, next, 31))
+    return d - step;
+  if (checkMonth(d, step, next, 30))
+    return d - step;
+  if (checkMonth(d, step, next, 31))
+    return d - step;
+  if (checkMonth(d, step, next, 31))
+    return d - step;
+  if (checkMonth(d, step, next, 30))
+    return d - step;
+  if (checkMonth(d, step, next, 31))
+    return d - step;
+  if (checkMonth(d, step, next, 30))
+    return d - step;
+  step = next;
+  return d - step;
 }
 
-int dayInYear(int year, int month, int day)
-{
-    return firstDayOfMonth[isLeapYear(year)][month] + day - 1;
+int dayInYear(int year, int month, int day) {
+  return firstDayOfMonth[isLeapYear(year)][month] + day - 1;
 }
 
-double dateToDaysFrom1970(int year, int month, int day)
-{
-    year += month / 12;
+double dateToDaysFrom1970(int year, int month, int day) {
+  year += month / 12;
 
-    month %= 12;
-    if (month < 0) {
-        month += 12;
-        --year;
-    }
+  month %= 12;
+  if (month < 0) {
+    month += 12;
+    --year;
+  }
 
-    double yearday = floor(daysFrom1970ToYear(year));
-    ASSERT((year >= 1970 && yearday >= 0) || (year < 1970 && yearday < 0));
-    return yearday + dayInYear(year, month, day);
+  double yearday = floor(daysFrom1970ToYear(year));
+  ASSERT((year >= 1970 && yearday >= 0) || (year < 1970 && yearday < 0));
+  return yearday + dayInYear(year, month, day);
 }
 
 // There is a hard limit at 2038 that we currently do not have a workaround
 // for (rdar://problem/5052975).
-static inline int maximumYearForDST()
-{
-    return 2037;
+static inline int maximumYearForDST() {
+  return 2037;
 }
 
-static inline double jsCurrentTime()
-{
-    // JavaScript doesn't recognize fractions of a millisecond.
-    return floor(WTF::currentTimeMS());
+static inline double jsCurrentTime() {
+  // JavaScript doesn't recognize fractions of a millisecond.
+  return floor(WTF::currentTimeMS());
 }
 
-static inline int minimumYearForDST()
-{
-    // Because of the 2038 issue (see maximumYearForDST) if the current year is
-    // greater than the max year minus 27 (2010), we want to use the max year
-    // minus 27 instead, to ensure there is a range of 28 years that all years
-    // can map to.
-    return std::min(msToYear(jsCurrentTime()), maximumYearForDST() - 27);
+static inline int minimumYearForDST() {
+  // Because of the 2038 issue (see maximumYearForDST) if the current year is
+  // greater than the max year minus 27 (2010), we want to use the max year
+  // minus 27 instead, to ensure there is a range of 28 years that all years
+  // can map to.
+  return std::min(msToYear(jsCurrentTime()), maximumYearForDST() - 27);
 }
 
 /*
  * Find an equivalent year for the one given, where equivalence is deterined by
  * the two years having the same leapness and the first day of the year, falling
  * on the same day of the week.
  *
  * This function returns a year between this current year and 2037, however this
  * function will potentially return incorrect results if the current year is after
  * 2010, (rdar://problem/5052975), if the year passed in is before 1900 or after
  * 2100, (rdar://problem/5055038).
  */
-static int equivalentYearForDST(int year)
-{
-    // It is ok if the cached year is not the current year as long as the rules
-    // for DST did not change between the two years; if they did the app would need
-    // to be restarted.
-    static int minYear = minimumYearForDST();
-    int maxYear = maximumYearForDST();
-
-    int difference;
-    if (year > maxYear)
-        difference = minYear - year;
-    else if (year < minYear)
-        difference = maxYear - year;
-    else
-        return year;
-
-    int quotient = difference / 28;
-    int product = (quotient) * 28;
-
-    year += product;
-    ASSERT((year >= minYear && year <= maxYear) || (product - year == static_cast<int>(std::numeric_limits<double>::quiet_NaN())));
+static int equivalentYearForDST(int year) {
+  // It is ok if the cached year is not the current year as long as the rules
+  // for DST did not change between the two years; if they did the app would need
+  // to be restarted.
+  static int minYear = minimumYearForDST();
+  int maxYear = maximumYearForDST();
+
+  int difference;
+  if (year > maxYear)
+    difference = minYear - year;
+  else if (year < minYear)
+    difference = maxYear - year;
+  else
     return year;
-}
-
-static double calculateUTCOffset()
-{
+
+  int quotient = difference / 28;
+  int product = (quotient)*28;
+
+  year += product;
+  ASSERT((year >= minYear && year <= maxYear) || (product - year == static_cast<int>(std::numeric_limits<double>::quiet_NaN())));
+  return year;
+}
+
+static double calculateUTCOffset() {
 #if OS(WIN)
-    TIME_ZONE_INFORMATION timeZoneInformation;
-    GetTimeZoneInformation(&timeZoneInformation);
-    int32_t bias = timeZoneInformation.Bias + timeZoneInformation.StandardBias;
-    return -bias * 60 * 1000;
+  TIME_ZONE_INFORMATION timeZoneInformation;
+  GetTimeZoneInformation(&timeZoneInformation);
+  int32_t bias = timeZoneInformation.Bias + timeZoneInformation.StandardBias;
+  return -bias * 60 * 1000;
 #else
-    time_t localTime = time(0);
-    tm localt;
-    getLocalTime(&localTime, &localt);
-
-    // tm_gmtoff includes any daylight savings offset, so subtract it.
-    return static_cast<double>(localt.tm_gmtoff * msPerSecond - (localt.tm_isdst > 0 ? msPerHour : 0));
+  time_t localTime = time(0);
+  tm localt;
+  getLocalTime(&localTime, &localt);
+
+  // tm_gmtoff includes any daylight savings offset, so subtract it.
+  return static_cast<double>(localt.tm_gmtoff * msPerSecond - (localt.tm_isdst > 0 ? msPerHour : 0));
 #endif
 }
 
 /*
  * Get the DST offset for the time passed in.
  */
-static double calculateDSTOffsetSimple(double localTimeSeconds, double utcOffset)
-{
-    if (localTimeSeconds > maxUnixTime)
-        localTimeSeconds = maxUnixTime;
-    else if (localTimeSeconds < 0) // Go ahead a day to make localtime work (does not work with 0)
-        localTimeSeconds += secondsPerDay;
-
-    // FIXME: time_t has a potential problem in 2038
-    time_t localTime = static_cast<time_t>(localTimeSeconds);
-
-    tm localTM;
-    getLocalTime(&localTime, &localTM);
-
-    return localTM.tm_isdst > 0 ? msPerHour : 0;
+static double calculateDSTOffsetSimple(double localTimeSeconds, double utcOffset) {
+  if (localTimeSeconds > maxUnixTime)
+    localTimeSeconds = maxUnixTime;
+  else if (localTimeSeconds < 0)  // Go ahead a day to make localtime work (does not work with 0)
+    localTimeSeconds += secondsPerDay;
+
+  // FIXME: time_t has a potential problem in 2038
+  time_t localTime = static_cast<time_t>(localTimeSeconds);
+
+  tm localTM;
+  getLocalTime(&localTime, &localTM);
+
+  return localTM.tm_isdst > 0 ? msPerHour : 0;
 }
 
 // Get the DST offset, given a time in UTC
-static double calculateDSTOffset(double ms, double utcOffset)
-{
-    // On Mac OS X, the call to localtime (see calculateDSTOffsetSimple) will return historically accurate
-    // DST information (e.g. New Zealand did not have DST from 1946 to 1974) however the JavaScript
-    // standard explicitly dictates that historical information should not be considered when
-    // determining DST. For this reason we shift away from years that localtime can handle but would
-    // return historically accurate information.
-    int year = msToYear(ms);
-    int equivalentYear = equivalentYearForDST(year);
-    if (year != equivalentYear) {
-        bool leapYear = isLeapYear(year);
-        int dayInYearLocal = dayInYear(ms, year);
-        int dayInMonth = dayInMonthFromDayInYear(dayInYearLocal, leapYear);
-        int month = monthFromDayInYear(dayInYearLocal, leapYear);
-        double day = dateToDaysFrom1970(equivalentYear, month, dayInMonth);
-        ms = (day * msPerDay) + msToMilliseconds(ms);
-    }
-
-    return calculateDSTOffsetSimple(ms / msPerSecond, utcOffset);
-}
-
-void initializeDates()
-{
+static double calculateDSTOffset(double ms, double utcOffset) {
+  // On Mac OS X, the call to localtime (see calculateDSTOffsetSimple) will return historically accurate
+  // DST information (e.g. New Zealand did not have DST from 1946 to 1974) however the JavaScript
+  // standard explicitly dictates that historical information should not be considered when
+  // determining DST. For this reason we shift away from years that localtime can handle but would
+  // return historically accurate information.
+  int year = msToYear(ms);
+  int equivalentYear = equivalentYearForDST(year);
+  if (year != equivalentYear) {
+    bool leapYear = isLeapYear(year);
+    int dayInYearLocal = dayInYear(ms, year);
+    int dayInMonth = dayInMonthFromDayInYear(dayInYearLocal, leapYear);
+    int month = monthFromDayInYear(dayInYearLocal, leapYear);
+    double day = dateToDaysFrom1970(equivalentYear, month, dayInMonth);
+    ms = (day * msPerDay) + msToMilliseconds(ms);
+  }
+
+  return calculateDSTOffsetSimple(ms / msPerSecond, utcOffset);
+}
+
+void initializeDates() {
 #if ENABLE(ASSERT)
-    static bool alreadyInitialized;
-    ASSERT(!alreadyInitialized);
-    alreadyInitialized = true;
+  static bool alreadyInitialized;
+  ASSERT(!alreadyInitialized);
+  alreadyInitialized = true;
 #endif
 
-    equivalentYearForDST(2000); // Need to call once to initialize a static used in this function.
-}
-
-static inline double ymdhmsToSeconds(int year, long mon, long day, long hour, long minute, double second)
-{
-    double days = (day - 32075)
-        + floor(1461 * (year + 4800.0 + (mon - 14) / 12) / 4)
-        + 367 * (mon - 2 - (mon - 14) / 12 * 12) / 12
-        - floor(3 * ((year + 4900.0 + (mon - 14) / 12) / 100) / 4)
-        - 2440588;
-    return ((days * hoursPerDay + hour) * minutesPerHour + minute) * secondsPerMinute + second;
+  equivalentYearForDST(2000);  // Need to call once to initialize a static used in this function.
+}
+
+static inline double ymdhmsToSeconds(int year, long mon, long day, long hour, long minute, double second) {
+  double days = (day - 32075) + floor(1461 * (year + 4800.0 + (mon - 14) / 12) / 4) + 367 * (mon - 2 - (mon - 14) / 12 * 12) / 12 - floor(3 * ((year + 4900.0 + (mon - 14) / 12) / 100) / 4) - 2440588;
+  return ((days * hoursPerDay + hour) * minutesPerHour + minute) * secondsPerMinute + second;
 }
 
 // We follow the recommendation of RFC 2822 to consider all
 // obsolete time zones not listed here equivalent to "-0000".
 static const struct KnownZone {
 #if !OS(WIN)
-    const
+  const
 #endif
-        char tzName[4];
-    int tzOffset;
+      char tzName[4];
+  int tzOffset;
 } known_zones[] = {
-    { "UT", 0 },
-    { "GMT", 0 },
-    { "EST", -300 },
-    { "EDT", -240 },
-    { "CST", -360 },
-    { "CDT", -300 },
-    { "MST", -420 },
-    { "MDT", -360 },
-    { "PST", -480 },
-    { "PDT", -420 }
-};
-
-inline static void skipSpacesAndComments(const char*& s)
-{
-    int nesting = 0;
-    char ch;
-    while ((ch = *s)) {
-        if (!isASCIISpace(ch)) {
-            if (ch == '(')
-                nesting++;
-            else if (ch == ')' && nesting > 0)
-                nesting--;
-            else if (nesting == 0)
-                break;
+    {"UT", 0},
+    {"GMT", 0},
+    {"EST", -300},
+    {"EDT", -240},
+    {"CST", -360},
+    {"CDT", -300},
+    {"MST", -420},
+    {"MDT", -360},
+    {"PST", -480},
+    {"PDT", -420}};
+
+inline static void skipSpacesAndComments(const char*& s) {
+  int nesting = 0;
+  char ch;
+  while ((ch = *s)) {
+    if (!isASCIISpace(ch)) {
+      if (ch == '(')
+        nesting++;
+      else if (ch == ')' && nesting > 0)
+        nesting--;
+      else if (nesting == 0)
+        break;
+    }
+    s++;
+  }
+}
+
+// returns 0-11 (Jan-Dec); -1 on failure
+static int findMonth(const char* monthStr) {
+  ASSERT(monthStr);
+  char needle[4];
+  for (int i = 0; i < 3; ++i) {
+    if (!*monthStr)
+      return -1;
+    needle[i] = static_cast<char>(toASCIILower(*monthStr++));
+  }
+  needle[3] = '\0';
+  const char* haystack = "janfebmaraprmayjunjulaugsepoctnovdec";
+  const char* str = strstr(haystack, needle);
+  if (str) {
+    int position = static_cast<int>(str - haystack);
+    if (position % 3 == 0)
+      return position / 3;
+  }
+  return -1;
+}
+
+static bool parseInt(const char* string, char** stopPosition, int base, int* result) {
+  long longResult = strtol(string, stopPosition, base);
+  // Avoid the use of errno as it is not available on Windows CE
+  if (string == *stopPosition || longResult <= std::numeric_limits<int>::min() || longResult >= std::numeric_limits<int>::max())
+    return false;
+  *result = static_cast<int>(longResult);
+  return true;
+}
+
+static bool parseLong(const char* string, char** stopPosition, int base, long* result) {
+  *result = strtol(string, stopPosition, base);
+  // Avoid the use of errno as it is not available on Windows CE
+  if (string == *stopPosition || *result == std::numeric_limits<long>::min() || *result == std::numeric_limits<long>::max())
+    return false;
+  return true;
+}
+
+// Odd case where 'exec' is allowed to be 0, to accomodate a caller in WebCore.
+static double parseDateFromNullTerminatedCharacters(const char* dateString, bool& haveTZ, int& offset) {
+  haveTZ = false;
+  offset = 0;
+
+  // This parses a date in the form:
+  //     Tuesday, 09-Nov-99 23:12:40 GMT
+  // or
+  //     Sat, 01-Jan-2000 08:00:00 GMT
+  // or
+  //     Sat, 01 Jan 2000 08:00:00 GMT
+  // or
+  //     01 Jan 99 22:00 +0100    (exceptions in rfc822/rfc2822)
+  // ### non RFC formats, added for Javascript:
+  //     [Wednesday] January 09 1999 23:12:40 GMT
+  //     [Wednesday] January 09 23:12:40 GMT 1999
+  //
+  // We ignore the weekday.
+
+  // Skip leading space
+  skipSpacesAndComments(dateString);
+
+  long month = -1;
+  const char* wordStart = dateString;
+  // Check contents of first words if not number
+  while (*dateString && !isASCIIDigit(*dateString)) {
+    if (isASCIISpace(*dateString) || *dateString == '(') {
+      if (dateString - wordStart >= 3)
+        month = findMonth(wordStart);
+      skipSpacesAndComments(dateString);
+      wordStart = dateString;
+    } else {
+      dateString++;
+    }
+  }
+
+  // Missing delimiter between month and day (like "January29")?
+  if (month == -1 && wordStart != dateString)
+    month = findMonth(wordStart);
+
+  skipSpacesAndComments(dateString);
+
+  if (!*dateString)
+    return std::numeric_limits<double>::quiet_NaN();
+
+  // ' 09-Nov-99 23:12:40 GMT'
+  char* newPosStr;
+  long day;
+  if (!parseLong(dateString, &newPosStr, 10, &day))
+    return std::numeric_limits<double>::quiet_NaN();
+  dateString = newPosStr;
+
+  if (!*dateString)
+    return std::numeric_limits<double>::quiet_NaN();
+
+  if (day < 0)
+    return std::numeric_limits<double>::quiet_NaN();
+
+  int year = 0;
+  if (day > 31) {
+    // ### where is the boundary and what happens below?
+    if (*dateString != '/')
+      return std::numeric_limits<double>::quiet_NaN();
+    // looks like a YYYY/MM/DD date
+    if (!*++dateString)
+      return std::numeric_limits<double>::quiet_NaN();
+    if (day <= std::numeric_limits<int>::min() || day >= std::numeric_limits<int>::max())
+      return std::numeric_limits<double>::quiet_NaN();
+    year = static_cast<int>(day);
+    if (!parseLong(dateString, &newPosStr, 10, &month))
+      return std::numeric_limits<double>::quiet_NaN();
+    month -= 1;
+    dateString = newPosStr;
+    if (*dateString++ != '/' || !*dateString)
+      return std::numeric_limits<double>::quiet_NaN();
+    if (!parseLong(dateString, &newPosStr, 10, &day))
+      return std::numeric_limits<double>::quiet_NaN();
+    dateString = newPosStr;
+  } else if (*dateString == '/' && month == -1) {
+    dateString++;
+    // This looks like a MM/DD/YYYY date, not an RFC date.
+    month = day - 1;  // 0-based
+    if (!parseLong(dateString, &newPosStr, 10, &day))
+      return std::numeric_limits<double>::quiet_NaN();
+    if (day < 1 || day > 31)
+      return std::numeric_limits<double>::quiet_NaN();
+    dateString = newPosStr;
+    if (*dateString == '/')
+      dateString++;
+    if (!*dateString)
+      return std::numeric_limits<double>::quiet_NaN();
+  } else {
+    if (*dateString == '-')
+      dateString++;
+
+    skipSpacesAndComments(dateString);
+
+    if (*dateString == ',')
+      dateString++;
+
+    if (month == -1) {  // not found yet
+      month = findMonth(dateString);
+      if (month == -1)
+        return std::numeric_limits<double>::quiet_NaN();
+
+      while (*dateString && *dateString != '-' && *dateString != ',' && !isASCIISpace(*dateString))
+        dateString++;
+
+      if (!*dateString)
+        return std::numeric_limits<double>::quiet_NaN();
+
+      // '-99 23:12:40 GMT'
+      if (*dateString != '-' && *dateString != '/' && *dateString != ',' && !isASCIISpace(*dateString))
+        return std::numeric_limits<double>::quiet_NaN();
+      dateString++;
+    }
+  }
+
+  if (month < 0 || month > 11)
+    return std::numeric_limits<double>::quiet_NaN();
+
+  // '99 23:12:40 GMT'
+  if (year <= 0 && *dateString) {
+    if (!parseInt(dateString, &newPosStr, 10, &year))
+      return std::numeric_limits<double>::quiet_NaN();
+  }
+
+  // Don't fail if the time is missing.
+  long hour = 0;
+  long minute = 0;
+  long second = 0;
+  if (!*newPosStr) {
+    dateString = newPosStr;
+  } else {
+    // ' 23:12:40 GMT'
+    if (!(isASCIISpace(*newPosStr) || *newPosStr == ',')) {
+      if (*newPosStr != ':')
+        return std::numeric_limits<double>::quiet_NaN();
+      // There was no year; the number was the hour.
+      year = -1;
+    } else {
+      // in the normal case (we parsed the year), advance to the next number
+      dateString = ++newPosStr;
+      skipSpacesAndComments(dateString);
+    }
+
+    parseLong(dateString, &newPosStr, 10, &hour);
+    // Do not check for errno here since we want to continue
+    // even if errno was set becasue we are still looking
+    // for the timezone!
+
+    // Read a number? If not, this might be a timezone name.
+    if (newPosStr != dateString) {
+      dateString = newPosStr;
+
+      if (hour < 0 || hour > 23)
+        return std::numeric_limits<double>::quiet_NaN();
+
+      if (!*dateString)
+        return std::numeric_limits<double>::quiet_NaN();
+
+      // ':12:40 GMT'
+      if (*dateString++ != ':')
+        return std::numeric_limits<double>::quiet_NaN();
+
+      if (!parseLong(dateString, &newPosStr, 10, &minute))
+        return std::numeric_limits<double>::quiet_NaN();
+      dateString = newPosStr;
+
+      if (minute < 0 || minute > 59)
+        return std::numeric_limits<double>::quiet_NaN();
+
+      // ':40 GMT'
+      if (*dateString && *dateString != ':' && !isASCIISpace(*dateString))
+        return std::numeric_limits<double>::quiet_NaN();
+
+      // seconds are optional in rfc822 + rfc2822
+      if (*dateString == ':') {
+        dateString++;
+
+        if (!parseLong(dateString, &newPosStr, 10, &second))
+          return std::numeric_limits<double>::quiet_NaN();
+        dateString = newPosStr;
+
+        if (second < 0 || second > 59)
+          return std::numeric_limits<double>::quiet_NaN();
+      }
+
+      skipSpacesAndComments(dateString);
+
+      if (strncasecmp(dateString, "AM", 2) == 0) {
+        if (hour > 12)
+          return std::numeric_limits<double>::quiet_NaN();
+        if (hour == 12)
+          hour = 0;
+        dateString += 2;
+        skipSpacesAndComments(dateString);
+      } else if (strncasecmp(dateString, "PM", 2) == 0) {
+        if (hour > 12)
+          return std::numeric_limits<double>::quiet_NaN();
+        if (hour != 12)
+          hour += 12;
+        dateString += 2;
+        skipSpacesAndComments(dateString);
+      }
+    }
+  }
+
+  // The year may be after the time but before the time zone.
+  if (isASCIIDigit(*dateString) && year == -1) {
+    if (!parseInt(dateString, &newPosStr, 10, &year))
+      return std::numeric_limits<double>::quiet_NaN();
+    dateString = newPosStr;
+    skipSpacesAndComments(dateString);
+  }
+
+  // Don't fail if the time zone is missing.
+  // Some websites omit the time zone (4275206).
+  if (*dateString) {
+    if (strncasecmp(dateString, "GMT", 3) == 0 || strncasecmp(dateString, "UTC", 3) == 0) {
+      dateString += 3;
+      haveTZ = true;
+    }
+
+    if (*dateString == '+' || *dateString == '-') {
+      int o;
+      if (!parseInt(dateString, &newPosStr, 10, &o))
+        return std::numeric_limits<double>::quiet_NaN();
+      dateString = newPosStr;
+
+      if (o < -9959 || o > 9959)
+        return std::numeric_limits<double>::quiet_NaN();
+
+      int sgn = (o < 0) ? -1 : 1;
+      o = abs(o);
+      if (*dateString != ':') {
+        if (o >= 24)
+          offset = ((o / 100) * 60 + (o % 100)) * sgn;
+        else
+          offset = o * 60 * sgn;
+      } else {         // GMT+05:00
+        ++dateString;  // skip the ':'
+        int o2;
+        if (!parseInt(dateString, &newPosStr, 10, &o2))
+          return std::numeric_limits<double>::quiet_NaN();
+        dateString = newPosStr;
+        offset = (o * 60 + o2) * sgn;
+      }
+      haveTZ = true;
+    } else {
+      for (size_t i = 0; i < WTF_ARRAY_LENGTH(known_zones); ++i) {
+        if (0 == strncasecmp(dateString, known_zones[i].tzName, strlen(known_zones[i].tzName))) {
+          offset = known_zones[i].tzOffset;
+          dateString += strlen(known_zones[i].tzName);
+          haveTZ = true;
+          break;
         }
-        s++;
-    }
-}
-
-// returns 0-11 (Jan-Dec); -1 on failure
-static int findMonth(const char* monthStr)
-{
-    ASSERT(monthStr);
-    char needle[4];
-    for (int i = 0; i < 3; ++i) {
-        if (!*monthStr)
-            return -1;
-        needle[i] = static_cast<char>(toASCIILower(*monthStr++));
-    }
-    needle[3] = '\0';
-    const char *haystack = "janfebmaraprmayjunjulaugsepoctnovdec";
-    const char *str = strstr(haystack, needle);
-    if (str) {
-        int position = static_cast<int>(str - haystack);
-        if (position % 3 == 0)
-            return position / 3;
-    }
-    return -1;
-}
-
-static bool parseInt(const char* string, char** stopPosition, int base, int* result)
-{
-    long longResult = strtol(string, stopPosition, base);
-    // Avoid the use of errno as it is not available on Windows CE
-    if (string == *stopPosition || longResult <= std::numeric_limits<int>::min() || longResult >= std::numeric_limits<int>::max())
-        return false;
-    *result = static_cast<int>(longResult);
-    return true;
-}
-
-static bool parseLong(const char* string, char** stopPosition, int base, long* result)
-{
-    *result = strtol(string, stopPosition, base);
-    // Avoid the use of errno as it is not available on Windows CE
-    if (string == *stopPosition || *result == std::numeric_limits<long>::min() || *result == std::numeric_limits<long>::max())
-        return false;
-    return true;
-}
-
-// Odd case where 'exec' is allowed to be 0, to accomodate a caller in WebCore.
-static double parseDateFromNullTerminatedCharacters(const char* dateString, bool& haveTZ, int& offset)
-{
-    haveTZ = false;
-    offset = 0;
-
-    // This parses a date in the form:
-    //     Tuesday, 09-Nov-99 23:12:40 GMT
-    // or
-    //     Sat, 01-Jan-2000 08:00:00 GMT
-    // or
-    //     Sat, 01 Jan 2000 08:00:00 GMT
-    // or
-    //     01 Jan 99 22:00 +0100    (exceptions in rfc822/rfc2822)
-    // ### non RFC formats, added for Javascript:
-    //     [Wednesday] January 09 1999 23:12:40 GMT
-    //     [Wednesday] January 09 23:12:40 GMT 1999
-    //
-    // We ignore the weekday.
-
-    // Skip leading space
+      }
+    }
+  }
+
+  skipSpacesAndComments(dateString);
+
+  if (*dateString && year == -1) {
+    if (!parseInt(dateString, &newPosStr, 10, &year))
+      return std::numeric_limits<double>::quiet_NaN();
+    dateString = newPosStr;
     skipSpacesAndComments(dateString);
-
-    long month = -1;
-    const char *wordStart = dateString;
-    // Check contents of first words if not number
-    while (*dateString && !isASCIIDigit(*dateString)) {
-        if (isASCIISpace(*dateString) || *dateString == '(') {
-            if (dateString - wordStart >= 3)
-                month = findMonth(wordStart);
-            skipSpacesAndComments(dateString);
-            wordStart = dateString;
-        } else {
-            dateString++;
-        }
-    }
-
-    // Missing delimiter between month and day (like "January29")?
-    if (month == -1 && wordStart != dateString)
-        month = findMonth(wordStart);
-
-    skipSpacesAndComments(dateString);
-
-    if (!*dateString)
-        return std::numeric_limits<double>::quiet_NaN();
-
-    // ' 09-Nov-99 23:12:40 GMT'
-    char* newPosStr;
-    long day;
-    if (!parseLong(dateString, &newPosStr, 10, &day))
-        return std::numeric_limits<double>::quiet_NaN();
-    dateString = newPosStr;
-
-    if (!*dateString)
-        return std::numeric_limits<double>::quiet_NaN();
-
-    if (day < 0)
-        return std::numeric_limits<double>::quiet_NaN();
-
-    int year = 0;
-    if (day > 31) {
-        // ### where is the boundary and what happens below?
-        if (*dateString != '/')
-            return std::numeric_limits<double>::quiet_NaN();
-        // looks like a YYYY/MM/DD date
-        if (!*++dateString)
-            return std::numeric_limits<double>::quiet_NaN();
-        if (day <= std::numeric_limits<int>::min() || day >= std::numeric_limits<int>::max())
-            return std::numeric_limits<double>::quiet_NaN();
-        year = static_cast<int>(day);
-        if (!parseLong(dateString, &newPosStr, 10, &month))
-            return std::numeric_limits<double>::quiet_NaN();
-        month -= 1;
-        dateString = newPosStr;
-        if (*dateString++ != '/' || !*dateString)
-            return std::numeric_limits<double>::quiet_NaN();
-        if (!parseLong(dateString, &newPosStr, 10, &day))
-            return std::numeric_limits<double>::quiet_NaN();
-        dateString = newPosStr;
-    } else if (*dateString == '/' && month == -1) {
-        dateString++;
-        // This looks like a MM/DD/YYYY date, not an RFC date.
-        month = day - 1; // 0-based
-        if (!parseLong(dateString, &newPosStr, 10, &day))
-            return std::numeric_limits<double>::quiet_NaN();
-        if (day < 1 || day > 31)
-            return std::numeric_limits<double>::quiet_NaN();
-        dateString = newPosStr;
-        if (*dateString == '/')
-            dateString++;
-        if (!*dateString)
-            return std::numeric_limits<double>::quiet_NaN();
-    } else {
-        if (*dateString == '-')
-            dateString++;
-
-        skipSpacesAndComments(dateString);
-
-        if (*dateString == ',')
-            dateString++;
-
-        if (month == -1) { // not found yet
-            month = findMonth(dateString);
-            if (month == -1)
-                return std::numeric_limits<double>::quiet_NaN();
-
-            while (*dateString && *dateString != '-' && *dateString != ',' && !isASCIISpace(*dateString))
-                dateString++;
-
-            if (!*dateString)
-                return std::numeric_limits<double>::quiet_NaN();
-
-            // '-99 23:12:40 GMT'
-            if (*dateString != '-' && *dateString != '/' && *dateString != ',' && !isASCIISpace(*dateString))
-                return std::numeric_limits<double>::quiet_NaN();
-            dateString++;
-        }
-    }
-
-    if (month < 0 || month > 11)
-        return std::numeric_limits<double>::quiet_NaN();
-
-    // '99 23:12:40 GMT'
-    if (year <= 0 && *dateString) {
-        if (!parseInt(dateString, &newPosStr, 10, &year))
-            return std::numeric_limits<double>::quiet_NaN();
-    }
-
-    // Don't fail if the time is missing.
-    long hour = 0;
-    long minute = 0;
-    long second = 0;
-    if (!*newPosStr) {
-        dateString = newPosStr;
-    } else {
-        // ' 23:12:40 GMT'
-        if (!(isASCIISpace(*newPosStr) || *newPosStr == ',')) {
-            if (*newPosStr != ':')
-                return std::numeric_limits<double>::quiet_NaN();
-            // There was no year; the number was the hour.
-            year = -1;
-        } else {
-            // in the normal case (we parsed the year), advance to the next number
-            dateString = ++newPosStr;
-            skipSpacesAndComments(dateString);
-        }
-
-        parseLong(dateString, &newPosStr, 10, &hour);
-        // Do not check for errno here since we want to continue
-        // even if errno was set becasue we are still looking
-        // for the timezone!
-
-        // Read a number? If not, this might be a timezone name.
-        if (newPosStr != dateString) {
-            dateString = newPosStr;
-
-            if (hour < 0 || hour > 23)
-                return std::numeric_limits<double>::quiet_NaN();
-
-            if (!*dateString)
-                return std::numeric_limits<double>::quiet_NaN();
-
-            // ':12:40 GMT'
-            if (*dateString++ != ':')
-                return std::numeric_limits<double>::quiet_NaN();
-
-            if (!parseLong(dateString, &newPosStr, 10, &minute))
-                return std::numeric_limits<double>::quiet_NaN();
-            dateString = newPosStr;
-
-            if (minute < 0 || minute > 59)
-                return std::numeric_limits<double>::quiet_NaN();
-
-            // ':40 GMT'
-            if (*dateString && *dateString != ':' && !isASCIISpace(*dateString))
-                return std::numeric_limits<double>::quiet_NaN();
-
-            // seconds are optional in rfc822 + rfc2822
-            if (*dateString ==':') {
-                dateString++;
-
-                if (!parseLong(dateString, &newPosStr, 10, &second))
-                    return std::numeric_limits<double>::quiet_NaN();
-                dateString = newPosStr;
-
-                if (second < 0 || second > 59)
-                    return std::numeric_limits<double>::quiet_NaN();
-            }
-
-            skipSpacesAndComments(dateString);
-
-            if (strncasecmp(dateString, "AM", 2) == 0) {
-                if (hour > 12)
-                    return std::numeric_limits<double>::quiet_NaN();
-                if (hour == 12)
-                    hour = 0;
-                dateString += 2;
-                skipSpacesAndComments(dateString);
-            } else if (strncasecmp(dateString, "PM", 2) == 0) {
-                if (hour > 12)
-                    return std::numeric_limits<double>::quiet_NaN();
-                if (hour != 12)
-                    hour += 12;
-                dateString += 2;
-                skipSpacesAndComments(dateString);
-            }
-        }
-    }
-
-    // The year may be after the time but before the time zone.
-    if (isASCIIDigit(*dateString) && year == -1) {
-        if (!parseInt(dateString, &newPosStr, 10, &year))
-            return std::numeric_limits<double>::quiet_NaN();
-        dateString = newPosStr;
-        skipSpacesAndComments(dateString);
-    }
-
-    // Don't fail if the time zone is missing.
-    // Some websites omit the time zone (4275206).
-    if (*dateString) {
-        if (strncasecmp(dateString, "GMT", 3) == 0 || strncasecmp(dateString, "UTC", 3) == 0) {
-            dateString += 3;
-            haveTZ = true;
-        }
-
-        if (*dateString == '+' || *dateString == '-') {
-            int o;
-            if (!parseInt(dateString, &newPosStr, 10, &o))
-                return std::numeric_limits<double>::quiet_NaN();
-            dateString = newPosStr;
-
-            if (o < -9959 || o > 9959)
-                return std::numeric_limits<double>::quiet_NaN();
-
-            int sgn = (o < 0) ? -1 : 1;
-            o = abs(o);
-            if (*dateString != ':') {
-                if (o >= 24)
-                    offset = ((o / 100) * 60 + (o % 100)) * sgn;
-                else
-                    offset = o * 60 * sgn;
-            } else { // GMT+05:00
-                ++dateString; // skip the ':'
-                int o2;
-                if (!parseInt(dateString, &newPosStr, 10, &o2))
-                    return std::numeric_limits<double>::quiet_NaN();
-                dateString = newPosStr;
-                offset = (o * 60 + o2) * sgn;
-            }
-            haveTZ = true;
-        } else {
-            for (size_t i = 0; i < WTF_ARRAY_LENGTH(known_zones); ++i) {
-                if (0 == strncasecmp(dateString, known_zones[i].tzName, strlen(known_zones[i].tzName))) {
-                    offset = known_zones[i].tzOffset;
-                    dateString += strlen(known_zones[i].tzName);
-                    haveTZ = true;
-                    break;
-                }
-            }
-        }
-    }
-
-    skipSpacesAndComments(dateString);
-
-    if (*dateString && year == -1) {
-        if (!parseInt(dateString, &newPosStr, 10, &year))
-            return std::numeric_limits<double>::quiet_NaN();
-        dateString = newPosStr;
-        skipSpacesAndComments(dateString);
-    }
-
-    // Trailing garbage
-    if (*dateString)
-        return std::numeric_limits<double>::quiet_NaN();
-
-    // Y2K: Handle 2 digit years.
-    if (year >= 0 && year < 100) {
-        if (year < 50)
-            year += 2000;
-        else
-            year += 1900;
-    }
-
-    return ymdhmsToSeconds(year, month + 1, day, hour, minute, second) * msPerSecond;
-}
-
-double parseDateFromNullTerminatedCharacters(const char* dateString)
-{
-    bool haveTZ;
-    int offset;
-    double ms = parseDateFromNullTerminatedCharacters(dateString, haveTZ, offset);
-    if (std::isnan(ms))
-        return std::numeric_limits<double>::quiet_NaN();
-
-    // fall back to local timezone
-    if (!haveTZ) {
-        double utcOffset = calculateUTCOffset();
-        double dstOffset = calculateDSTOffset(ms, utcOffset);
-        offset = static_cast<int>((utcOffset + dstOffset) / msPerMinute);
-    }
-    return ms - (offset * msPerMinute);
-}
-
-// See http://tools.ietf.org/html/rfc2822#section-3.3 for more information.
-String makeRFC2822DateString(unsigned dayOfWeek, unsigned day, unsigned month, unsigned year, unsigned hours, unsigned minutes, unsigned seconds, int utcOffset)
-{
-    StringBuilder stringBuilder;
-    stringBuilder.append(weekdayName[dayOfWeek]);
-    stringBuilder.appendLiteral(", ");
-    stringBuilder.appendNumber(day);
-    stringBuilder.append(' ');
-    stringBuilder.append(monthName[month]);
-    stringBuilder.append(' ');
-    stringBuilder.appendNumber(year);
-    stringBuilder.append(' ');
-
-    appendTwoDigitNumber(stringBuilder, hours);
-    stringBuilder.append(':');
-    appendTwoDigitNumber(stringBuilder, minutes);
-    stringBuilder.append(':');
-    appendTwoDigitNumber(stringBuilder, seconds);
-    stringBuilder.append(' ');
-
-    stringBuilder.append(utcOffset > 0 ? '+' : '-');
-    int absoluteUTCOffset = abs(utcOffset);
-    appendTwoDigitNumber(stringBuilder, absoluteUTCOffset / 60);
-    appendTwoDigitNumber(stringBuilder, absoluteUTCOffset % 60);
-
-    return stringBuilder.toString();
-}
-
-double convertToLocalTime(double ms)
-{
+  }
+
+  // Trailing garbage
+  if (*dateString)
+    return std::numeric_limits<double>::quiet_NaN();
+
+  // Y2K: Handle 2 digit years.
+  if (year >= 0 && year < 100) {
+    if (year < 50)
+      year += 2000;
+    else
+      year += 1900;
+  }
+
+  return ymdhmsToSeconds(year, month + 1, day, hour, minute, second) * msPerSecond;
+}
+
+double parseDateFromNullTerminatedCharacters(const char* dateString) {
+  bool haveTZ;
+  int offset;
+  double ms = parseDateFromNullTerminatedCharacters(dateString, haveTZ, offset);
+  if (std::isnan(ms))
+    return std::numeric_limits<double>::quiet_NaN();
+
+  // fall back to local timezone
+  if (!haveTZ) {
     double utcOffset = calculateUTCOffset();
     double dstOffset = calculateDSTOffset(ms, utcOffset);
-    return (ms + utcOffset + dstOffset);
-}
-
-} // namespace WTF
+    offset = static_cast<int>((utcOffset + dstOffset) / msPerMinute);
+  }
+  return ms - (offset * msPerMinute);
+}
+
+// See http://tools.ietf.org/html/rfc2822#section-3.3 for more information.
+String makeRFC2822DateString(unsigned dayOfWeek, unsigned day, unsigned month, unsigned year, unsigned hours, unsigned minutes, unsigned seconds, int utcOffset) {
+  StringBuilder stringBuilder;
+  stringBuilder.append(weekdayName[dayOfWeek]);
+  stringBuilder.appendLiteral(", ");
+  stringBuilder.appendNumber(day);
+  stringBuilder.append(' ');
+  stringBuilder.append(monthName[month]);
+  stringBuilder.append(' ');
+  stringBuilder.appendNumber(year);
+  stringBuilder.append(' ');
+
+  appendTwoDigitNumber(stringBuilder, hours);
+  stringBuilder.append(':');
+  appendTwoDigitNumber(stringBuilder, minutes);
+  stringBuilder.append(':');
+  appendTwoDigitNumber(stringBuilder, seconds);
+  stringBuilder.append(' ');
+
+  stringBuilder.append(utcOffset > 0 ? '+' : '-');
+  int absoluteUTCOffset = abs(utcOffset);
+  appendTwoDigitNumber(stringBuilder, absoluteUTCOffset / 60);
+  appendTwoDigitNumber(stringBuilder, absoluteUTCOffset % 60);
+
+  return stringBuilder.toString();
+}
+
+double convertToLocalTime(double ms) {
+  double utcOffset = calculateUTCOffset();
+  double dstOffset = calculateDSTOffset(ms, utcOffset);
+  return (ms + utcOffset + dstOffset);
+}
+
+}  // namespace WTF