Fix incorrectly positioned block element inside list-style-position:inside item

third_party/WebKit/Source/core/layout/LayoutListItem.cpp

Index: third_party/WebKit/Source/core/layout/LayoutListItem.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutListItem.cpp b/third_party/WebKit/Source/core/layout/LayoutListItem.cpp
index badb3a06f52091495cb3760cd7c472f975a045fc..b0f7801b64c6df59fdd6ea93c674864b6a0a8e00 100644
--- a/third_party/WebKit/Source/core/layout/LayoutListItem.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutListItem.cpp
@@ -299,7 +299,8 @@ bool LayoutListItem::updateMarkerLocation()
     ASSERT(m_marker);
 
     LayoutObject* markerParent = m_marker->parent();
-    LayoutObject* lineBoxParent = getParentOfFirstLineBox(this, m_marker);
+    // list-style-position:inside makes the ::marker pseudo an ordinary position:static element that should be attached to LayoutListItem block.
+    LayoutObject* lineBoxParent = m_marker->isInside() ? this : getParentOfFirstLineBox(this, m_marker);
     if (!lineBoxParent) {
         // If the marker is currently contained inside an anonymous box, then we
         // are the only item in that anonymous box (since no line box parent was