hg: jdk9/dev/jdk: 8143413: add toEpochSecond methods for efficient access

[roger.riggs at oracle.com]

Changeset: d0a642db657b
Author:    ntv
Date:      2015-12-23 13:19 -0500
URL:       http://hg.openjdk.java.net/jdk9/dev/jdk/rev/d0a642db657b

8143413: add toEpochSecond methods for efficient access
Reviewed-by: rriggs, scolebourne

! src/java.base/share/classes/java/time/LocalDate.java
! src/java.base/share/classes/java/time/LocalTime.java
! src/java.base/share/classes/java/time/OffsetTime.java
! test/java/time/tck/java/time/TCKLocalDate.java
! test/java/time/tck/java/time/TCKLocalTime.java
! test/java/time/tck/java/time/TCKOffsetTime.java