Make sure getAttribute() / setAttribute() callers use AtomicStrings

Source/core/html/HTMLParamElement.cpp

Index: Source/core/html/HTMLParamElement.cpp
diff --git a/Source/core/html/HTMLParamElement.cpp b/Source/core/html/HTMLParamElement.cpp
index d1e1cdd7dc46be9d618b095b57204a71826150a7..982d53d993fa08ac5b985ee14299d80d507c5237 100644
--- a/Source/core/html/HTMLParamElement.cpp
+++ b/Source/core/html/HTMLParamElement.cpp
@@ -42,14 +42,14 @@ PassRefPtr<HTMLParamElement> HTMLParamElement::create(Document& document)
     return adoptRef(new HTMLParamElement(document));
 }
 
-String HTMLParamElement::name() const
+const AtomicString& HTMLParamElement::name() const
 {
     if (hasName())
         return getNameAttribute();
     return document().isHTMLDocument() ? emptyAtom : getIdAttribute();
 }
 
-String HTMLParamElement::value() const
+const AtomicString& HTMLParamElement::value() const
 {
     return fastGetAttribute(valueAttr);
 }