Set ComputedStyle on Node and use that in buildOwnLayout()

third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp

Index: third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp
diff --git a/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp b/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp
index 6454137452f1d4280f9507e3ef0b6eb625ea4745..754fa83e81c64a4a207e271b64bb3672f384ac2f 100644
--- a/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp
+++ b/third_party/WebKit/Source/core/page/scrolling/ScrollingCoordinator.cpp
@@ -977,6 +977,8 @@ bool ScrollingCoordinator::hasVisibleSlowRepaintViewportConstrainedObjects(Frame
         return false;
 
     for (const LayoutObject* layoutObject : *viewportConstrainedObjects) {
+        if (layoutObject->node()->isPseudoElement())

[sashab, 2016/07/06 04:22:02]

Why this?

[Bugs Nash, 2016/07/06 04:30:42]

why is this necessary? maybe add to description

[nainar, 2016/07/06 04:51:53]

Sorry this was a hack I had made to force a test to pass and investigate the
issue. Yeah add one more test to the failing test list!

fast/css-generated-content/before-content-with-list-marker-in-anon-block-crash.html

+            continue;
         ASSERT(layoutObject->isBoxModelObject() && layoutObject->hasLayer());
         ASSERT(layoutObject->style()->position() == FixedPosition
             || layoutObject->style()->position() == StickyPosition);