hg: openjfx/8u-dev/rt: Fix RT-36790: dirty region optimization loses background if back buffer is lost due to low vram condition.

[hang.vo at oracle.com]

Changeset: 13ecb2d726ab
Author:    flar <James.Graham at oracle.com>
Date:      2014-04-28 23:20 -0700
URL:       http://hg.openjdk.java.net/openjfx/8u-dev/rt/rev/13ecb2d726ab

Fix RT-36790: dirty region optimization loses background if back buffer is lost due to low vram condition.
Reviewed by: Kevin

! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/PresentingPainter.java
! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/UploadingPainter.java
! modules/graphics/src/main/java/com/sun/javafx/tk/quantum/ViewPainter.java
! modules/graphics/src/main/java/com/sun/prism/d3d/D3DResourceFactory.java
! modules/graphics/src/main/java/com/sun/prism/es2/ES2SwapChain.java