Unreviewed GTK gardening. Adding failure expectations for 6 failing reference tests.

* platform/gtk/TestExpectations:


git-svn-id: http://svn.webkit.org/repository/webkit/trunk@167858 268f45cc-cd09-0410-ab3c-d52691b4dbfc
Unreviewed. iOS build fix.

* UIProcess/ios/SmartMagnificationController.h:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@167859 268f45cc-cd09-0410-ab3c-d52691b4dbfc