Top sdk issues

Front end does not warn on function calls on Object

P1 area-front-end front-end-missing-error language-strong-mode-polish type-bug

Issues with dart:io HttpClient reusing connections

area-library library-io type-bug

Issues with source maps

closed-obsolete dart2js-sourcemap type-bug web-dart2js

[next] keyCode values for KeyboardEvents created via KeyEvent in dartium are incorrect

P2 area-library closed-obsolete library-html type-bug

Range.fromPoint is not supported in all browsers

area-library area-web library-html type-bug