[WinCairo] Compile error.
https://bugs.webkit.org/show_bug.cgi?id=126534

Patch by peavo@outlook.com <peavo@outlook.com> on 2014-01-08
Reviewed by Brent Fulgham.

* WebKitPrefix.h: Define __STDC_LIMIT_MACROS, so INTMAX_MAX will be defined (needed by std C++ library).

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161513 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Flaky Test: http/tests/xmlhttprequest/xmlhttprequest-50ms-download-dispatch.html
https://bugs.webkit.org/show_bug.cgi?id=52016

* platform/mac/TestExpectations: Mark it as such.



git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161516 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed. Attempting to fix webkitpy tests after r161512.

* Scripts/webkitpy/port/gtk.py:
(GtkPort.__init__): Construct LeakDetectorValgrin only if leak detection is enabled.


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@161517 268f45cc-cd09-0410-ab3c-d52691b4dbfc