Make default spellchecking behavior in html elements configurable via WebSettings.

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

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 3200 matching lines @@
         switch (element->spellcheckAttributeState()) {
         case SpellcheckAttributeTrue:
             return true;
         case SpellcheckAttributeFalse:
             return false;
         case SpellcheckAttributeDefault:
             break;
         }
     }
 
-    return true;
+    if (!document().page())
+        return true;
+
+    return document().page()->settings().spellCheckEnabledByDefault();
 }
 
 #if DCHECK_IS_ON()
 bool Element::fastAttributeLookupAllowed(const QualifiedName& name) const
 {
     if (name == HTMLNames::styleAttr)
         return false;
 
     if (isSVGElement())
         return !toSVGElement(this)->isAnimatableAttribute(name);
@@ skipping 597 matching lines @@
 
 DEFINE_TRACE_WRAPPERS(Element)
 {
     if (hasRareData()) {
         visitor->traceWrappers(elementRareData());
     }
     ContainerNode::traceWrappers(visitor);
 }
 
 } // namespace blink