Reduce unnecessary usage of TextCaseSensitivity::TextCaseInsensitive.

third_party/WebKit/Source/core/dom/Document.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 587 matching lines @@
   return inQuirksMode() ? "BackCompat" : "CSS1Compat";
 }
 
 void Document::setDoctype(DocumentType* docType) {
   // This should never be called more than once.
   DCHECK(!m_docType || !docType);
   m_docType = docType;
   if (m_docType) {
     this->adoptIfNeeded(*m_docType);
     if (m_docType->publicId().startsWith("-//wapforum//dtd xhtml mobile 1.",
-                                         TextCaseInsensitive)) {
+                                         TextCaseASCIIInsensitive)) {
       m_isMobileDocument = true;
       m_styleEngine->viewportRulesChanged();
     }
   }
 }
 
 DOMImplementation& Document::implementation() {
   if (!m_implementation)
     m_implementation = DOMImplementation::create(*this);
   return *m_implementation;
@@ skipping 5823 matching lines @@
 }
 
 void showLiveDocumentInstances() {
   WeakDocumentSet& set = liveDocumentSet();
   fprintf(stderr, "There are %u documents currently alive:\n", set.size());
   for (Document* document : set)
     fprintf(stderr, "- Document %p URL: %s\n", document,
             document->url().getString().utf8().data());
 }
 #endif