Use isHTMLTextAreaElement and toHTMLTextAreaElement

Source/core/css/resolver/StyleResolver.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2004-2005 Allan Sandfeld Jensen (kde@carewolf.com)
  * Copyright (C) 2006, 2007 Nicholas Shanks (webkit@nickshanks.com)
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013 Apple Inc. All rights reserved.
  * Copyright (C) 2007 Alexey Proskuryakov <ap@webkit.org>
  * Copyright (C) 2007, 2008 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2008, 2009 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
  * Copyright (c) 2011, Code Aurora Forum. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
@@ skipping 64 matching lines @@
 #include "core/dom/NodeRenderStyle.h"
 #include "core/dom/NodeRenderingContext.h"
 #include "core/dom/Text.h"
 #include "core/dom/WebCoreMemoryInstrumentation.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/html/HTMLHtmlElement.h"
 #include "core/html/HTMLIFrameElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/html/HTMLOptGroupElement.h"
 #include "core/html/HTMLTableElement.h"
+#include "core/html/HTMLTextAreaElement.h"
 #include "core/html/track/WebVTTElement.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/loader/cache/CachedDocument.h"
 #include "core/loader/cache/CachedSVGDocumentReference.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameView.h"
 #include "core/page/Page.h"
 #include "core/page/Settings.h"
 #include "core/platform/LinkHash.h"
 #include "core/platform/graphics/filters/custom/CustomFilterConstants.h"
@@ skipping 1422 matching lines @@
         || style->boxReflect()
         || style->hasFilter()
         || style->hasBlendMode()
         || style->position() == StickyPosition
         || (style->position() == FixedPosition && e && e->document()->page() && e->document()->page()->settings()->fixedPositionCreatesStackingContext())
         || isInTopLayer(e, style)
         ))
         style->setZIndex(0);
 
     // Textarea considers overflow visible as auto.
-    if (e && e->hasTagName(textareaTag)) {
+    if (e && isHTMLTextAreaElement(e)) {
         style->setOverflowX(style->overflowX() == OVISIBLE ? OAUTO : style->overflowX());
         style->setOverflowY(style->overflowY() == OVISIBLE ? OAUTO : style->overflowY());
     }
 
     // For now, <marquee> requires an overflow clip to work properly.
     if (e && e->hasTagName(marqueeTag)) {
         style->setOverflowX(OHIDDEN);
         style->setOverflowY(OHIDDEN);
     }
 
@@ skipping 864 matching lines @@
 void CachedMatchedProperties::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
     info.addMember(matchedProperties, "matchedProperties");
     info.addMember(ranges, "ranges");
     info.addMember(renderStyle, "renderStyle");
     info.addMember(parentRenderStyle, "parentRenderStyle");
 }
 
 } // namespace WebCore