Remove OS(WINCE) from HTMLSelectElement.cpp
https://bugs.webkit.org/show_bug.cgi?id=115194

Reviewed by Andreas Kling.

Use the same files like the the other PLATFORM(WIN) ports use.

* PlatformWinCE.cmake:
* html/HTMLSelectElement.cpp:
(WebCore):

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@149272 268f45cc-cd09-0410-ab3c-d52691b4dbfc