Change description in analysis_server pubspec to no longer reference web sockets

R=brianwilkerson@google.com

Review URL: https://codereview.chromium.org//441063002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@38903 260f80e4-7a28-3924-810f-c04153c831b5
DEPS AutoUpdate: webkit to 179528 (2014-08-05 23:13:22 +0200) efortuna@google.com
Set CSSStyleDeclaration getter return value if the property is there AND if it is not.
http://src.chromium.org/viewvc/blink?view=rev&revision=179528

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@38904 260f80e4-7a28-3924-810f-c04153c831b5