Working SimpleHTML test front end

BUG=
R=ricow@google.com

Review URL: https://codereview.chromium.org//695893002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41517 260f80e4-7a28-3924-810f-c04153c831b5
Fix warnings in analyzer2dart.

BUG=
R=floitsch@google.com

Review URL: https://codereview.chromium.org//701083002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41518 260f80e4-7a28-3924-810f-c04153c831b5
Fix HTML tests on non-browser runtimes.

BUG=
R=ricow@google.com

Review URL: https://codereview.chromium.org//704733004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41519 260f80e4-7a28-3924-810f-c04153c831b5
Fix multitest display name bug in test scripts.

BUG=
R=ricow@google.com

Review URL: https://codereview.chromium.org//702873002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41520 260f80e4-7a28-3924-810f-c04153c831b5
move combinator suggestion ast traversal into computeFast

BUG=
R=scheglov@google.com

Review URL: https://codereview.chromium.org//694203002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@41521 260f80e4-7a28-3924-810f-c04153c831b5