hg: jdk9/sandbox/langtools: jep277: initial commit of deprfind and deprusage

[stuart.marks at oracle.com]

Changeset: 66ff68eb61d4
Author:    smarks
Date:      2016-02-12 17:18 -0800
URL:       http://hg.openjdk.java.net/jdk9/sandbox/langtools/rev/66ff68eb61d4

jep277: initial commit of deprfind and deprusage

+ src/jdk.jdeps/share/classes/com/sun/tools/deprfind/DepFinder.java
+ src/jdk.jdeps/share/classes/com/sun/tools/deprfind/DepFinderProc.java
+ src/jdk.jdeps/share/classes/com/sun/tools/deprusage/CPEntries.java
+ src/jdk.jdeps/share/classes/com/sun/tools/deprusage/CPSelector.java
+ src/jdk.jdeps/share/classes/com/sun/tools/deprusage/ClassFinder.java
+ src/jdk.jdeps/share/classes/com/sun/tools/deprusage/DepDB.java
+ src/jdk.jdeps/share/classes/com/sun/tools/deprusage/DeprecationUsageAnalyzer.java
+ src/jdk.jdeps/share/classes/com/sun/tools/deprusage/MethodSig.java