Add base::time::FromJavaTime

base/time/time.h

Index: base/time/time.h
diff --git a/base/time/time.h b/base/time/time.h
index 9cbd614f9f627371db03f35342ed67801ddc7cbf..ece4fe8c9f2476b1dbb2f38bdb6f5e9f90c4d44c 100644
--- a/base/time/time.h
+++ b/base/time/time.h
@@ -495,8 +495,9 @@ class BASE_EXPORT Time : public time_internal::TimeBase<Time> {
   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)