Change IllegalArgumentException to ArgumentError.

Review URL: https://codereview.chromium.org//10989013

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart/pkg/logging@12841 260f80e4-7a28-3924-810f-c04153c831b5
1 file changed
tree: 7f031f5aa363dce8f92e740400c132234ad675a4
  1. lib/
  2. test/
  3. pubspec.yaml