Remove deprecated debugger code

R=asiva@google.com

Review URL: https://codereview.chromium.org//790793006

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42534 260f80e4-7a28-3924-810f-c04153c831b5
Fix error string to include information about class and library when the snapshot writer throws an exception for objects that cannot be serialized.

R=hausner@google.com

Review URL: https://codereview.chromium.org//793763004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42535 260f80e4-7a28-3924-810f-c04153c831b5
Update args, observe, and smoke revisions.

R=sigmund@google.com

Review URL: https://codereview.chromium.org/808533003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42536 260f80e4-7a28-3924-810f-c04153c831b5
Pull args, intl, logging, shelf, and source_maps out of the SDK.

R=sigmund@google.com

Review URL: https://codereview.chromium.org//814113004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42537 260f80e4-7a28-3924-810f-c04153c831b5
Add csslib to DEPS.

R=sigmund@google.com

Review URL: https://codereview.chromium.org/787393004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42538 260f80e4-7a28-3924-810f-c04153c831b5
Fix unittest dependency in dartium.deps

R=nweiz@google.com
BUG=

Review URL: https://codereview.chromium.org//814353003

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42539 260f80e4-7a28-3924-810f-c04153c831b5