Fix leftover checks for dart- names in docgen

BUG=
R=sethladd@google.com

Review URL: https://codereview.chromium.org//730163002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41788 260f80e4-7a28-3924-810f-c04153c831b5
Add --no-error-notification flag to the StdioServerSocket

R=brianwilkerson@google.com

Review URL: https://codereview.chromium.org//730153002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41789 260f80e4-7a28-3924-810f-c04153c831b5