QtWebKit_5.4_Integration #16: SUCCESS
Tested changes (refs/builds/5.4_1409068166):
http://codereview.qt-project.org/93256 [PS1] - Do not use graphics surface when painting WebGL in WebKitWidgets
http://codereview.qt-project.org/93258 [PS3] - Use new QOpenGLFramebufferObject::toImage without flipping