tree b8b67979cee65486f324a1b223bd61aebd9ceb63
parent ebecf5045526cd41a70c72d750a94d5a6ff85a09
author ajohnsen@google.com <ajohnsen@google.com> 1407399093 +0000
committer ajohnsen@google.com <ajohnsen@google.com> 1407399093 +0000

Add InternalStyle:rootLength to implement isAbsolute and rootPrefix.

This is the first step at adding a few helper methods for improving
path package performance.

BUG=
R=nweiz@google.com, rnystrom@google.com

Review URL: https://codereview.chromium.org//439223002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/path@38966 260f80e4-7a28-3924-810f-c04153c831b5