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

third_party/WebKit/Source/core/html/HTMLFrameOwnerElement.cpp

 /*
  * Copyright (C) 2006, 2007, 2009 Apple 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
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 98 matching lines @@
 HTMLFrameOwnerElement::UpdateSuspendScope::~UpdateSuspendScope() {
   DCHECK_GT(s_updateSuspendCount, 0u);
   if (s_updateSuspendCount == 1)
     performDeferredWidgetTreeOperations();
   --s_updateSuspendCount;
 }
 
 // Unlike moveWidgetToParentSoon, this will not call dispose the Widget.
 void temporarilyRemoveWidgetFromParentSoon(Widget* widget) {
   if (s_updateSuspendCount) {
-    widgetsPendingTemporaryRemovalFromParent().add(widget);
+    widgetsPendingTemporaryRemovalFromParent().insert(widget);
   } else {
     if (toFrameView(widget->parent()))
       toFrameView(widget->parent())->removeChild(widget);
   }
 }
 
 void moveWidgetToParentSoon(Widget* child, FrameView* parent) {
   if (!s_updateSuspendCount) {
     if (parent) {
       parent->addChild(child);
@@ skipping 78 matching lines @@
     document().frame()->loader().client()->didChangeSandboxFlags(contentFrame(),
                                                                  flags);
 }
 
 bool HTMLFrameOwnerElement::isKeyboardFocusable() const {
   return m_contentFrame && HTMLElement::isKeyboardFocusable();
 }
 
 void HTMLFrameOwnerElement::disposeWidgetSoon(Widget* widget) {
   if (s_updateSuspendCount) {
-    widgetsPendingDispose().add(widget);
+    widgetsPendingDispose().insert(widget);
     return;
   }
   widget->dispose();
 }
 
 void HTMLFrameOwnerElement::dispatchLoad() {
   dispatchScopedEvent(Event::create(EventTypeNames::load));
 }
 
 const WebVector<WebPermissionType>&
@@ skipping 93 matching lines @@
 }
 
 DEFINE_TRACE(HTMLFrameOwnerElement) {
   visitor->trace(m_contentFrame);
   visitor->trace(m_widget);
   HTMLElement::trace(visitor);
   FrameOwner::trace(visitor);
 }
 
 }  // namespace blink