hg: build-infra/jdk8/langtools: Refactor and document.

[fredrik.ohrstrom at oracle.com]

Changeset: 8ab080a46fde
Author:    ohrstrom
Date:      2012-07-19 22:47 +0200
URL:       http://hg.openjdk.java.net/build-infra/jdk8/langtools/rev/8ab080a46fde

Refactor and document.

- src/share/classes/com/sun/tools/javac/comp/ApiVisitor.java
! src/share/classes/com/sun/tools/javac/comp/Dependencies.java
! src/share/classes/com/sun/tools/javac/comp/PubapiVisitor.java
! src/share/classes/com/sun/tools/javac/main/JavaCompiler.java