Introduce LayoutObject::AncestorSkipInfo.

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

Index: third_party/WebKit/Source/core/layout/LayoutBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutBox.cpp b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
index ceda19d736df198810bb3f7c2d9de80fdc95a461..c39f9aac4f2b546e8e3158ab8f4dc1e8c506ee93 100644
--- a/third_party/WebKit/Source/core/layout/LayoutBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutBox.cpp
@@ -2328,10 +2328,8 @@ bool LayoutBox::mapToVisualRectInAncestorSpace(
   if (ancestor == this)
     return true;
 
-  bool ancestorSkipped;
-  bool filterSkipped;
-  LayoutObject* container =
-      this->container(ancestor, &ancestorSkipped, &filterSkipped);
+  AncestorSkipInfo skipInfo(ancestor);
+  LayoutObject* container = this->container(&skipInfo);
   LayoutBox* tableRowContainer = nullptr;
   // Skip table row because cells and rows are in the same coordinate space (see
   // below, however for more comments about when |ancestor| is the table row).
@@ -2345,7 +2343,7 @@ bool LayoutBox::mapToVisualRectInAncestorSpace(
   if (!container)
     return true;
 
-  if (filterSkipped)
+  if (skipInfo.filterSkipped)
     inflateVisualRectForFilterUnderContainer(rect, *container, ancestor);
 
   // We are now in our parent container's coordinate space. Apply our transform
@@ -2401,7 +2399,7 @@ bool LayoutBox::mapToVisualRectInAncestorSpace(
           rect, visualRectFlags))
     return false;
 
-  if (ancestorSkipped) {
+  if (skipInfo.ancestorSkipped) {
     // If the ancestor is below the container, then we need to map the rect into
     // ancestor's coordinates.
     LayoutSize containerOffset =