Migrate WTF::HashMap::remove() to ::erase()

third_party/WebKit/Source/core/dom/StyleEngine.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All
  * rights reserved.
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2008, 2009, 2011, 2012 Google Inc. All rights reserved.
@@ skipping 370 matching lines @@
       activeStyleSheets.appendVector(collection->activeAuthorStyleSheets());
   }
 
   // FIXME: Inspector needs a vector which has all active stylesheets.
   // However, creating such a large vector might cause performance regression.
   // Need to implement some smarter solution.
   return activeStyleSheets;
 }
 
 void StyleEngine::shadowRootRemovedFromDocument(ShadowRoot* shadowRoot) {
-  m_styleSheetCollectionMap.remove(shadowRoot);
+  m_styleSheetCollectionMap.erase(shadowRoot);
   m_activeTreeScopes.remove(shadowRoot);
   m_dirtyTreeScopes.remove(shadowRoot);
   resetAuthorStyle(*shadowRoot);
 }
 
 void StyleEngine::addTreeBoundaryCrossingScope(const TreeScope& treeScope) {
   m_treeBoundaryCrossingScopes.add(&treeScope.rootNode());
 }
 
 void StyleEngine::resetAuthorStyle(TreeScope& treeScope) {
@@ skipping 744 matching lines @@
 }
 
 DEFINE_TRACE_WRAPPERS(StyleEngine) {
   for (auto sheet : m_injectedAuthorStyleSheets) {
     visitor->traceWrappers(sheet);
   }
   visitor->traceWrappers(m_documentStyleSheetCollection);
 }
 
 }  // namespace blink