Migrate WTF::HashMap::add() to ::insert() [final]

third_party/WebKit/Source/platform/scroll/ScrollbarThemeMac.mm

 /*
  * Copyright (C) 2008, 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 200 matching lines @@
       AdoptNS, [[NSClassFromString(@"NSScrollerImp")
                    scrollerImpWithStyle:recommendedScrollerStyle()
                             controlSize:(NSControlSize)scrollbar.controlSize()
                              horizontal:isHorizontal
                    replacingScrollerImp:nil] retain]);
   RetainPtr<BlinkScrollbarObserver> observer(
       AdoptNS,
       [[BlinkScrollbarObserver alloc] initWithScrollbar:&scrollbar
                                                 painter:scrollbarPainter]);
 
-  scrollbarPainterMap().add(&scrollbar, observer);
+  scrollbarPainterMap().insert(&scrollbar, observer);
   updateEnabledState(scrollbar);
   updateScrollbarOverlayColorTheme(scrollbar);
 }
 
 void ScrollbarThemeMac::unregisterScrollbar(ScrollbarThemeClient& scrollbar) {
   scrollbarPainterMap().remove(&scrollbar);
   scrollbarSet().remove(&scrollbar);
 }
 
 void ScrollbarThemeMac::setNewPainterForScrollbar(
@@ skipping 177 matching lines @@
 }
 
 // static
 NSScrollerStyle ScrollbarThemeMac::recommendedScrollerStyle() {
   if (RuntimeEnabledFeatures::overlayScrollbarsEnabled())
     return NSScrollerStyleOverlay;
   return gPreferredScrollerStyle;
 }
 
 }  // namespace blink