Fix resizing of QQuickPaintedItems that use FBOs.
Fix resizing of QQuickPaintedItems that use FBOs.

Task-number: QTBUG-25472

Change-Id: Icc8d0f93841a76bbc92d09e0bf96f147ac64a8c6
Reviewed-by: Yoann Lopes <27570619e45a2a46618012b16a29b452c478e806@nokia.com>

qmlc/qtdeclarative,corngood/qtdeclarative,corngood/qtdeclarative,corngood/qtdeclarative,jfaust/qtdeclarative,jfaust/qtdeclarative,jfaust/qtdeclarative,qmlc/qtdeclarative,matthewvogt/qtdeclarative,corngood/qtdeclarative,mgrunditz/qtdeclarative-2d,jfaust/qtdeclarative,mgrunditz/qtdeclarative-2d,qmlc/qtdeclarative,crobertd/qtdeclarative,matthewvogt/qtdeclarative,matthewvogt/qtdeclarative,jfaust/qtdeclarative,corngood/qtdeclarative,matthewvogt/qtdeclarative,qmlc/qtdeclarative,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,crobertd/qtdeclarative,corngood/qtdeclarative,crobertd/qtdeclarative,qmlc/qtdeclarative,jfaust/qtdeclarative,qmlc/qtdeclarative,matthewvogt/qtdeclarative,mgrunditz/qtdeclarative-2d,mgrunditz/qtdeclarative-2d,corngood/qtdeclarative,jfaust/qtdeclarative,matthewvogt/qtdeclarative,crobertd/qtdeclarative,mgrunditz/qtdeclarative-2d,crobertd/qtdeclarative,mgrunditz/qtdeclarative-2d,matthewvogt/qtdeclarative,qmlc/qtdeclarative,qmlc/qtdeclarative,crobertd/qtdeclarative,crobertd/qtdeclarative