[webkit-qt] Please update the publicapi auto test if you modify the public API.

[Jocelyn Turcotte]

Hello!

there is now a C++ API test that will fail if the public API is modified in:
Source/WebKit2/UIProcess/API/qt/tests/publicapi/

The goal is to help preventing stealth modifications from slipping in the QML API.
Please update the test as part of your patch when asking for review if you really want to modify the API.

Tell me if this test gets in your way somehow, the intention is to make it more helpful than harmful.

br,
Jocelyn