Reduce unnecessary usage of TextCaseSensitivity::TextCaseInsensitive.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004-2008, 2013, 2014 Apple Inc. All rights reserved.
  * Copyright (C) 2009 Torch Mobile Inc. All rights reserved.
  * (http://www.torchmobile.com/)
  * Copyright (C) 2011 Motorola Mobility. 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
@@ skipping 292 matching lines @@
   } else {
     Element::collectStyleForPresentationAttribute(name, value, style);
   }
 }
 
 const AtomicString& HTMLElement::eventNameForAttributeName(
     const QualifiedName& attrName) {
   if (!attrName.namespaceURI().isNull())
     return nullAtom;
 
-  if (!attrName.localName().startsWith("on", TextCaseInsensitive))
+  if (!attrName.localName().startsWith("on", TextCaseASCIIInsensitive))
     return nullAtom;
 
   typedef HashMap<AtomicString, AtomicString> StringToStringMap;
   DEFINE_STATIC_LOCAL(StringToStringMap, attributeNameToEventNameMap, ());
   if (!attributeNameToEventNameMap.size()) {
     struct AttrToEventName {
       const QualifiedName& attr;
       const AtomicString& event;
     };
     AttrToEventName attrToEventNames[] = {
@@ skipping 878 matching lines @@
 
 #ifndef NDEBUG
 
 // For use in the debugger
 void dumpInnerHTML(blink::HTMLElement*);
 
 void dumpInnerHTML(blink::HTMLElement* element) {
   printf("%s\n", element->innerHTML().ascii().data());
 }
 #endif