Be more lean when parsing HTTP headers

Be more lean when parsing HTTP headers

Allow only LF instaed of CRLF when parsing headers. Sometimes old or
hacked up clients will send the headers like this.

R=kustermann@google.com
BUG=

Committed: https://code.google.com/p/dart/source/detail?r=44998

[Søren Gjesse, 2015-04-09 10:53:29]

https://codereview.chromium.org/1078683002/diff/1/sdk/lib/io/http_parser.dart
File sdk/lib/io/http_parser.dart (right):

https://codereview.chromium.org/1078683002/diff/1/sdk/lib/io/http_parser.dart...
sdk/lib/io/http_parser.dart:340: bool _headersEnd() {
This is a copy of the inlined code removed below with 'return' changed to
'return true' and 'break' changed to 'return false'.

[kustermann, 2015-04-09 11:12:33]

LGTM

https://codereview.chromium.org/1078683002/diff/1/tests/standalone/io/http_pa...
File tests/standalone/io/http_parser_test.dart (right):

https://codereview.chromium.org/1078683002/diff/1/tests/standalone/io/http_pa...
tests/standalone/io/http_parser_test.dart:477: _testParseRequest(request,
Maybe this one as well?

[Søren Gjesse, 2015-04-09 11:14:55]

https://codereview.chromium.org/1078683002/diff/1/tests/standalone/io/http_pa...
File tests/standalone/io/http_parser_test.dart (right):

https://codereview.chromium.org/1078683002/diff/1/tests/standalone/io/http_pa...
tests/standalone/io/http_parser_test.dart:477: _testParseRequest(request,
On 2015/04/09 11:12:33, kustermann wrote:
> Maybe this one as well?

Done.

[Søren Gjesse, 2015-04-09 11:15:35]

Committed patchset #2 (id:20001) manually as 44998 (presubmit successful).