Replace ASSERT()s with DCHECK*() in core/html/*.{cpp,h}.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 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.
  *
@@ skipping 48 matching lines @@
 
 namespace blink {
 
 using namespace HTMLNames;
 
 HTMLDocument::HTMLDocument(const DocumentInit& initializer, DocumentClassFlags extendedDocumentClasses)
     : Document(initializer, HTMLDocumentClass | extendedDocumentClasses)
 {
     clearXMLVersion();
     if (isSrcdocDocument() || initializer.importsController()) {
-        ASSERT(inNoQuirksMode());
+        DCHECK(inNoQuirksMode());
         lockCompatibilityMode();
     }
 }
 
 HTMLDocument::~HTMLDocument()
 {
 }
 
 HTMLBodyElement* HTMLDocument::htmlBodyElement() const
 {
@@ skipping 147 matching lines @@
 }
 
 bool HTMLDocument::isCaseSensitiveAttribute(const QualifiedName& attributeName)
 {
     static HashSet<StringImpl*>* htmlCaseInsensitiveAttributesSet = createHtmlCaseInsensitiveAttributesSet();
     bool isPossibleHTMLAttr = !attributeName.hasPrefix() && (attributeName.namespaceURI() == nullAtom);
     return !isPossibleHTMLAttr || !htmlCaseInsensitiveAttributesSet->contains(attributeName.localName().impl());
 }
 
 } // namespace blink