Crash in WebCore::TextResourceDecoder::checkForCSSCharset
<http://webkit.org/b/133257>
<rdar://problem/17027109>

Reviewed by Alexey Proskuryakov.

Source/WebCore:

Test: fast/encoding/css-charset-missing-semi-colon-and-newline.html

* loader/TextResourceDecoder.cpp:
(WebCore::TextResourceDecoder::checkForCSSCharset): Add early
return.

LayoutTests:

* fast/encoding/css-charset-missing-semi-colon-and-newline-expected.txt: Added.
* fast/encoding/css-charset-missing-semi-colon-and-newline.html: Added.

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@169318 268f45cc-cd09-0410-ab3c-d52691b4dbfc