Use parseHTMLInteger for parsing minlength and maxlength in <textarea>

Source/core/html/HTMLTextAreaElement.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2010 Apple Inc. All rights reserved.
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2007 Samuel Weinig (sam@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 25 matching lines @@
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/SpellChecker.h"
 #include "core/editing/TextIterator.h"
 #include "core/events/BeforeTextInsertedEvent.h"
 #include "core/events/Event.h"
 #include "core/frame/FrameHost.h"
 #include "core/frame/LocalFrame.h"
 #include "core/html/FormDataList.h"
 #include "core/html/forms/FormController.h"
+#include "core/html/parser/HTMLParserIdioms.h"
 #include "core/html/shadow/ShadowElementNames.h"
 #include "core/html/shadow/TextControlInnerElements.h"
 #include "core/page/Chrome.h"
 #include "core/page/ChromeClient.h"
 #include "core/rendering/RenderTextControlMultiLine.h"
 #include "platform/text/PlatformLocale.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/text/StringBuilder.h"
 
 namespace blink {
@@ skipping 385 matching lines @@
     value.replace('\r', '\n');
 
     insertBefore(document().createTextNode(value), firstChild(), IGNORE_EXCEPTION);
 
     if (!m_isDirty)
         setNonDirtyValue(value);
 }
 
 int HTMLTextAreaElement::maxLength() const
 {
-    bool ok;
-    int value = getAttribute(maxlengthAttr).toInt(&ok);
-    return ok && value >= 0 ? value : -1;
+    int value;
+    if (!parseHTMLInteger(getAttribute(maxlengthAttr), value))
+        return -1;
+    return value >= 0 ? value : -1;
 }
 
 int HTMLTextAreaElement::minLength() const
 {
-    bool ok;
-    int value = getAttribute(minlengthAttr).string().toInt(&ok);
-    return ok && value >= 0 ? value : -1;
+    int value;
+    if (!parseHTMLInteger(getAttribute(minlengthAttr), value))
+        return -1;
+    return value >= 0 ? value : -1;
 }
 
 void HTMLTextAreaElement::setMaxLength(int newValue, ExceptionState& exceptionState)
 {
     int min = minLength();
     if (newValue < 0)
         exceptionState.throwDOMException(IndexSizeError, "The value provided (" + String::number(newValue) + ") is not positive or 0.");
     else if (min >= 0 && newValue < min)
         exceptionState.throwDOMException(IndexSizeError, ExceptionMessages::indexExceedsMinimumBound("maxLength", newValue, min));
     else
@@ skipping 152 matching lines @@
 {
     return true;
 }
 
 bool HTMLTextAreaElement::supportsAutofocus() const
 {
     return true;
 }
 
 }