Update chroot creation script

* Java is no longer needed for building the SDK so don't install OpenJDK the chroot.

* Don't checkout the full repository if not checkout is specified

R=ricow@google.com
BUG=

Review URL: https://codereview.chromium.org//577293003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40533 260f80e4-7a28-3924-810f-c04153c831b5
Per isolate package root.

BUG=
R=iposva@google.com, sgjesse@google.com, turnidge@google.com

Review URL: https://codereview.chromium.org//545483002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40534 260f80e4-7a28-3924-810f-c04153c831b5
Allow sending static/top-level functions through ports and as isolate
initialization messages.

BUG= http://dartbug.com/20992
R=floitsch@google.com

Review URL: https://codereview.chromium.org//584843003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40535 260f80e4-7a28-3924-810f-c04153c831b5
Fix test in checked mode.

BUG=

Review URL: https://codereview.chromium.org//592013002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40536 260f80e4-7a28-3924-810f-c04153c831b5
Add missing import.

R=johnniwinther@google.com

Review URL: https://codereview.chromium.org//593633002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40537 260f80e4-7a28-3924-810f-c04153c831b5
Fix typo in status-file.

Review URL: https://codereview.chromium.org//593623003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40538 260f80e4-7a28-3924-810f-c04153c831b5
Update test so it doens't leave isolates hanging.

This caused timeouts on Firefox.

Review URL: https://codereview.chromium.org//579913004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@40539 260f80e4-7a28-3924-810f-c04153c831b5