Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

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

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 866 matching lines @@
   } else {
     // The max preferred logical width includes the intrinsic scrollbar logical
     // width, which is only set for overflow: scroll. To handle overflow: auto,
     // we have to take scrollbarLogicalWidth() into account, and then subtract
     // the intrinsic width again so as to not double-count overflow: scroll
     // scrollbars.
     mainSize = child.maxPreferredLogicalWidth() +
                child.scrollbarLogicalWidth() - child.scrollbarLogicalWidth();
   }
   m_intrinsicSizeAlongMainAxis.set(&child, mainSize);
-  m_relaidOutChildren.add(&child);
+  m_relaidOutChildren.insert(&child);
 }
 
 void LayoutFlexibleBox::clearCachedMainSizeForChild(const LayoutBox& child) {
   m_intrinsicSizeAlongMainAxis.remove(&child);
 }
 
 DISABLE_CFI_PERF
 LayoutUnit LayoutFlexibleBox::computeInnerFlexBaseSizeForChild(
     LayoutBox& child,
     LayoutUnit mainAxisBorderAndPadding,
@@ skipping 922 matching lines @@
       // Have to force another relayout even though the child is sized
       // correctly, because its descendants are not sized correctly yet. Our
       // previous layout of the child was done without an override height set.
       // So, redo it here.
       forceChildRelayout = true;
     }
     updateBlockChildDirtyBitsBeforeLayout(forceChildRelayout, *child);
     if (!child->needsLayout())
       markChildForPaginationRelayoutIfNeeded(*child, layoutScope);
     if (child->needsLayout())
-      m_relaidOutChildren.add(child);
+      m_relaidOutChildren.insert(child);
     child->layoutIfNeeded();
 
     updateAutoMarginsInMainAxis(*child, autoMarginOffset);
 
     LayoutUnit childCrossAxisMarginBoxExtent;
     if (alignmentForChild(*child) == ItemPositionBaseline &&
         !hasAutoMarginsInCrossAxis(*child)) {
       LayoutUnit ascent = marginBoxAscentForChild(*child);
       LayoutUnit descent = (crossAxisMarginExtentForChild(*child) +
                             crossAxisExtentForChild(*child)) -
@@ skipping 342 matching lines @@
       LayoutUnit originalOffset =
           lineContexts[lineNumber].crossAxisOffset - crossAxisStartEdge;
       LayoutUnit newOffset =
           contentExtent - originalOffset - lineCrossAxisExtent;
       adjustAlignmentForChild(*flexItem.box, newOffset - originalOffset);
     }
   }
 }
 
 }  // namespace blink