BUILD FIX (r144221): SetSmartInsertDeleteEnabled should be wrapped in PLATFORM(MAC)

* WebProcess/WebPage/WebPage.messages.in: Move
SetSmartInsertDeleteEnabled from USE(APPKIT) to PLATFORM(MAC).

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144319 268f45cc-cd09-0410-ab3c-d52691b4dbfc
[Chromium] Marking one more html5 test as timeout

Unreviewed expectations, removing a Debug modifier.

* platform/chromium/TestExpectations:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@144320 268f45cc-cd09-0410-ab3c-d52691b4dbfc