Combine 4 bools into GeometryInfoFlags.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2005 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2005, 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 958 matching lines @@
     if (ancestorSkipped) {
         // There can't be a transform between paintInvalidationContainer and ancestorToStopAt, because transforms create containers, so it should be safe
         // to just subtract the delta between the ancestor and ancestorToStopAt.
         adjustmentForSkippedAncestor = -ancestorToStopAt->offsetFromAncestorContainer(container);
     }
 
     bool offsetDependsOnPoint = false;
     LayoutSize containerOffset = offsetFromContainer(container, LayoutPoint(), &offsetDependsOnPoint);
 
     bool preserve3D = container->style()->preserves3D() || style()->preserves3D();
+    GeometryInfoFlags flags = 0;
+    if (preserve3D)
+        flags |= AccumulatingTransform;
+    if (offsetDependsOnPoint)
+        flags |= IsNonUniform;
+    if (isFixedPos)
+        flags |= IsFixedPosition;
+    if (hasTransform)
+        flags |= HasTransform;
     if (shouldUseTransformFromContainer(container)) {
         TransformationMatrix t;
         getTransformFromContainer(container, containerOffset, t);
         t.translateRight(adjustmentForSkippedAncestor.width().toFloat(), adjustmentForSkippedAncestor.height().toFloat());
-        geometryMap.push(this, t, preserve3D, offsetDependsOnPoint, isFixedPos, hasTransform);
+        geometryMap.push(this, t, flags);
     } else {
         containerOffset += adjustmentForSkippedAncestor;
-        geometryMap.push(this, containerOffset, preserve3D, offsetDependsOnPoint, isFixedPos, hasTransform);
+        geometryMap.push(this, containerOffset, flags);
     }
 
     return ancestorSkipped ? ancestorToStopAt : container;
 }
 
 void LayoutBoxModelObject::moveChildTo(LayoutBoxModelObject* toBoxModelObject, LayoutObject* child, LayoutObject* beforeChild, bool fullRemoveInsert)
 {
     // We assume that callers have cleared their positioned objects list for child moves (!fullRemoveInsert) so the
     // positioned layoutObject maps don't become stale. It would be too slow to do the map lookup on each call.
     ASSERT(!fullRemoveInsert || !isLayoutBlock() || !toLayoutBlock(this)->hasPositionedObjects());
@@ skipping 61 matching lines @@
     if (rootElementStyle->hasBackground())
         return false;
 
     if (node() != document().firstBodyElement())
         return false;
 
     return true;
 }
 
 } // namespace blink