Handle nested position:sticky elements

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

Index: third_party/WebKit/Source/core/layout/LayoutInline.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutInline.cpp b/third_party/WebKit/Source/core/layout/LayoutInline.cpp
index 4b1b406c97e6e0a0808e6fafd877eb10c29d79d0..fff97819a07e98fe3c1f335b20a03068568fda1f 100644
--- a/third_party/WebKit/Source/core/layout/LayoutInline.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutInline.cpp
@@ -1228,13 +1228,13 @@ bool LayoutInline::mapToVisualRectInAncestorSpace(
                                                    visualRectFlags);
 }
 
-LayoutSize LayoutInline::offsetFromContainer(
-    const LayoutObject* container) const {
+LayoutSize LayoutInline::offsetFromContainer(const LayoutObject* container,
+                                             bool ignoreSticky) const {
   ASSERT(container == this->container());
 
   LayoutSize offset;
   if (isInFlowPositioned())
-    offset += offsetForInFlowPosition();
+    offset += offsetForInFlowPosition(ignoreSticky);
 
   if (container->hasOverflowClip())
     offset -= toLayoutBox(container)->scrolledContentOffset();