Limit scope getter to predefined values

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

Index: third_party/WebKit/Source/core/html/HTMLTableCellElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLTableCellElement.cpp b/third_party/WebKit/Source/core/html/HTMLTableCellElement.cpp
index 26553e6f9bcc05a40c50c723c3a041f695542430..3c98ba5d6b7a03f5e58e61a6083936e9a0f017dc 100644
--- a/third_party/WebKit/Source/core/html/HTMLTableCellElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLTableCellElement.cpp
@@ -174,7 +174,29 @@ void HTMLTableCellElement::setRowSpan(unsigned n)
 
 const AtomicString& HTMLTableCellElement::scope() const
 {
-    return fastGetAttribute(scopeAttr);
+    const AtomicString& scopeValue = fastGetAttribute(scopeAttr);
+    if (equalIgnoringASCIICase(scopeValue, "row")) {
+        DEFINE_STATIC_LOCAL(const AtomicString, row, ("row"));
+        return row;
+    }
+    if (equalIgnoringASCIICase(scopeValue, "col")) {
+        DEFINE_STATIC_LOCAL(const AtomicString, col, ("col"));
+        return col;
+    }
+    if (equalIgnoringASCIICase(scopeValue, "rowgroup")) {
+        DEFINE_STATIC_LOCAL(const AtomicString, rowgroup, ("rowgroup"));
+        return rowgroup;
+    }
+    if (equalIgnoringASCIICase(scopeValue, "colgroup")) {
+        DEFINE_STATIC_LOCAL(const AtomicString, colgroup, ("colgroup"));
+        return colgroup;
+    }
+    return emptyAtom;
+}
+
+void HTMLTableCellElement::setScope(const AtomicString& value)
+{
+    setAttribute(scopeAttr, value);
 }
 
 } // namespace blink