Add base::time::FromJavaTime

base/time/time.h

 // Copyright (c) 2012 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.
 
 // Time represents an absolute point in coordinated universal time (UTC),
 // internally represented as microseconds (s/1,000,000) since the Windows epoch
 // (1601-01-01 00:00:00 UTC). System-dependent clock interface routines are
 // defined in time_PLATFORM.cc. Note that values for Time may skew and jump
 // around as the operating system makes adjustments to synchronize (e.g., with
 // NTP servers). Thus, client code that uses the Time class must account for
@@ skipping 477 matching lines @@
   // https://developer.apple.com/legacy/library/#technotes/tn/tn1150.html#HFSPlusDates.
   static Time FromTimeSpec(const timespec& ts);
 #endif
 
   // Converts to/from the Javascript convention for times, a number of
   // milliseconds since the epoch:
   // https://developer.mozilla.org/en/JavaScript/Reference/Global_Objects/Date/getTime.
   static Time FromJsTime(double ms_since_epoch);
   double ToJsTime() const;
 
-  // Converts to Java convention for times, a number of
+  // Converts to/from Java convention for times, a number of
   // milliseconds since the epoch.
+  static Time FromJavaTime(int64_t ms_since_epoch);
   int64_t ToJavaTime() const;
 
 #if defined(OS_POSIX)
   static Time FromTimeVal(struct timeval t);
   struct timeval ToTimeVal() const;
 #endif
 
 #if defined(OS_MACOSX)
   static Time FromCFAbsoluteTime(CFAbsoluteTime t);
   CFAbsoluteTime ToCFAbsoluteTime() const;
@@ skipping 340 matching lines @@
   static void WaitUntilInitializedWin();
 #endif
 };
 
 // For logging use only.
 BASE_EXPORT std::ostream& operator<<(std::ostream& os, ThreadTicks time_ticks);
 
 }  // namespace base
 
 #endif  // BASE_TIME_TIME_H_