Revert commit# 415577 "Add grid/flex layout support for <fieldset>"

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

Index: third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp b/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
index 10507de24c542e11585ac683879858401dc1b4d7..fc80cc42c085f3105dc91a4ed15fe70f42bccf71 100644
--- a/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutFlexibleBox.cpp
@@ -937,11 +937,6 @@ void LayoutFlexibleBox::layoutFlexItems(bool relayoutChildren,
   PaintLayerScrollableArea::PreventRelayoutScope preventRelayoutScope(
       layoutScope);
 
-  // Fieldsets need to find their legend and position it inside the border of
-  // the object. The legend then gets skipped during normal layout. It
-  // doesn't get included in the normal layout process but is instead skipped.
-  LayoutObject* childToExclude =
-      layoutSpecialExcludedChild(relayoutChildren, layoutScope);
 
   // Set up our master list of flex items. All of the rest of the algorithm
   // should work off this list of a subset.
@@ -951,9 +946,6 @@ void LayoutFlexibleBox::layoutFlexItems(bool relayoutChildren,
   m_orderIterator.first();
   for (LayoutBox* child = m_orderIterator.currentChild(); child;
        child = m_orderIterator.next()) {
-    if (childToExclude == child)
-      continue;  // Skip this child, since it will be positioned by the
-                 // specialized subclass (fieldsets runs).
 
     if (child->isOutOfFlowPositioned()) {
       // Out-of-flow children are not flex items, so we skip them here.