Fix repainting of composited RenderViews

Source/core/rendering/RenderView.cpp

Index: Source/core/rendering/RenderView.cpp
diff --git a/Source/core/rendering/RenderView.cpp b/Source/core/rendering/RenderView.cpp
index 42960837bc5481f1ba6ee1faf55608b045d45e00..498b518bef26b72a4f77f201c6a698c7f2486df4 100644
--- a/Source/core/rendering/RenderView.cpp
+++ b/Source/core/rendering/RenderView.cpp
@@ -470,11 +470,10 @@ void RenderView::repaintViewRectangle(const LayoutRect& ur) const
     // We always just invalidate the root view, since we could be an iframe that is clipped out
     // or even invisible.
     Element* elt = document().ownerElement();

[esprehn, 2014/06/06 22:41:22]

rename to owner?

-    if (!elt) {
-        if (hasLayer() && layer()->compositingState() == PaintsIntoOwnBacking)
-            layer()->repainter().setBackingNeedsRepaintInRect(ur);
-        else
-            m_frameView->contentRectangleForPaintInvalidation(pixelSnappedIntRect(ur));
+    if (layer()->compositingState() == PaintsIntoOwnBacking) {
+        layer()->repainter().setBackingNeedsRepaintInRect(ur);
+    } else if (!elt) {
+        m_frameView->contentRectangleForPaintInvalidation(pixelSnappedIntRect(ur));
     } else if (RenderBox* obj = elt->renderBox()) {
         LayoutRect vr = viewRect();
         LayoutRect r = intersection(ur, vr);