Migrate WTF::HashCountedSet::add() to ::insert()

third_party/WebKit/Source/core/loader/resource/ImageResourceContent.cpp

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/loader/resource/ImageResourceContent.h"
 
 #include <memory>
 
 #include "core/loader/resource/ImageResource.h"
 #include "core/loader/resource/ImageResourceInfo.h"
@@ skipping 84 matching lines @@
 }
 
 void ImageResourceContent::markObserverFinished(
     ImageResourceObserver* observer) {
   ProhibitAddRemoveObserverInScope prohibitAddRemoveObserverInScope(this);
 
   auto it = m_observers.find(observer);
   if (it == m_observers.end())
     return;
   m_observers.remove(it);
-  m_finishedObservers.add(observer);
+  m_finishedObservers.insert(observer);
 }
 
 void ImageResourceContent::addObserver(ImageResourceObserver* observer) {
   CHECK(!m_isAddRemoveObserverProhibited);
 
   m_info->willAddClientOrObserver();
 
   {
     ProhibitAddRemoveObserverInScope prohibitAddRemoveObserverInScope(this);
-    m_observers.add(observer);
+    m_observers.insert(observer);
   }
 
   if (m_info->isCacheValidator())
     return;
 
   if (m_image && !m_image->isNull()) {
     observer->imageChanged(this);
   }
 
   if (isLoaded() && m_observers.contains(observer) &&
@@ skipping 382 matching lines @@
 
 const ResourceResponse& ImageResourceContent::response() const {
   return m_info->response();
 }
 
 const ResourceError& ImageResourceContent::resourceError() const {
   return m_info->resourceError();
 }
 
 }  // namespace blink