Changed cols and rows to unsigned long for HTMLTextAreaElement

Source/core/html/HTMLTextAreaElement.cpp

Index: Source/core/html/HTMLTextAreaElement.cpp
diff --git a/Source/core/html/HTMLTextAreaElement.cpp b/Source/core/html/HTMLTextAreaElement.cpp
index 9dac3f2bbcf0f0e7a2f67c1062d1820906b0dd4f..a96291166fb9a21783b02efb226bb503c1dfd1c4 100644
--- a/Source/core/html/HTMLTextAreaElement.cpp
+++ b/Source/core/html/HTMLTextAreaElement.cpp
@@ -56,8 +56,8 @@ namespace blink {
 
 using namespace HTMLNames;
 
-static const int defaultRows = 2;
-static const int defaultCols = 20;
+static const unsigned defaultRows = 2;
+static const unsigned defaultCols = 20;
 
 // On submission, LF characters are converted into CRLF.
 // This function returns number of characters considering this.
@@ -155,8 +155,8 @@ void HTMLTextAreaElement::collectStyleForPresentationAttribute(const QualifiedNa
 void HTMLTextAreaElement::parseAttribute(const QualifiedName& name, const AtomicString& value)
 {
     if (name == rowsAttr) {
-        int rows = 0;
-        if (value.isEmpty() || !parseHTMLInteger(value, rows) || rows <= 0)
+        unsigned rows = 0;
+        if (value.isEmpty() || !parseHTMLNonNegativeInteger(value, rows) || rows <= 0)
             rows = defaultRows;
         if (m_rows != rows) {
             m_rows = rows;
@@ -164,8 +164,8 @@ void HTMLTextAreaElement::parseAttribute(const QualifiedName& name, const Atomic
                 layoutObject()->setNeedsLayoutAndPrefWidthsRecalcAndFullPaintInvalidation(LayoutInvalidationReason::AttributeChanged);
         }
     } else if (name == colsAttr) {
-        int cols = 0;
-        if (value.isEmpty() || !parseHTMLInteger(value, cols) || cols <= 0)
+        unsigned cols = 0;
+        if (value.isEmpty() || !parseHTMLNonNegativeInteger(value, cols) || cols <= 0)
             cols = defaultCols;
         if (m_cols != cols) {
             m_cols = cols;
@@ -583,14 +583,14 @@ void HTMLTextAreaElement::accessKeyAction(bool)
     focus();
 }
 
-void HTMLTextAreaElement::setCols(int cols)
+void HTMLTextAreaElement::setCols(unsigned cols)
 {
-    setIntegralAttribute(colsAttr, cols);
+    setUnsignedIntegralAttribute(colsAttr, cols);
 }
 
-void HTMLTextAreaElement::setRows(int rows)
+void HTMLTextAreaElement::setRows(unsigned rows)
 {
-    setIntegralAttribute(rowsAttr, rows);
+    setUnsignedIntegralAttribute(rowsAttr, rows);
 }
 
 bool HTMLTextAreaElement::matchesReadOnlyPseudoClass() const