Migrate WTF::HashSet::remove() to ::erase() [part 1]

third_party/WebKit/Source/core/page/Page.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All
  * Rights Reserved.
  * Copyright (C) 2008 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  *
  * 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.
@@ skipping 506 matching lines @@
   if (m_scrollingCoordinator)
     m_scrollingCoordinator->willCloseLayerTreeView(layerTreeView, view);
 }
 
 void Page::willBeDestroyed() {
   Frame* mainFrame = m_mainFrame;
 
   mainFrame->detach(FrameDetachType::Remove);
 
   ASSERT(allPages().contains(this));
-  allPages().remove(this);
-  ordinaryPages().remove(this);
+  allPages().erase(this);
+  ordinaryPages().erase(this);
 
   if (m_scrollingCoordinator)
     m_scrollingCoordinator->willBeDestroyed();
 
   chromeClient().chromeDestroyed();
   if (m_validationMessageClient)
     m_validationMessageClient->willBeDestroyed();
   m_mainFrame = nullptr;
 
   PageVisibilityNotifier::notifyContextDestroyed();
 }
 
 Page::PageClients::PageClients()
     : chromeClient(nullptr),
       contextMenuClient(nullptr),
       editorClient(nullptr),
       spellCheckerClient(nullptr) {}
 
 Page::PageClients::~PageClients() {}
 
 template class CORE_TEMPLATE_EXPORT Supplement<Page>;
 
 }  // namespace blink