Make calls to AtomicString(const String&) explicit in svg/

Source/core/svg/SVGURIReference.cpp

Index: Source/core/svg/SVGURIReference.cpp
diff --git a/Source/core/svg/SVGURIReference.cpp b/Source/core/svg/SVGURIReference.cpp
index 02cd99fa022909d4cb39a53c0808ebb169611ad9..2a2c9c894de5fde6dbe926a0dba20fd4349e56f6 100644
--- a/Source/core/svg/SVGURIReference.cpp
+++ b/Source/core/svg/SVGURIReference.cpp
@@ -42,27 +42,27 @@ bool SVGURIReference::isKnownAttribute(const QualifiedName& attrName)
     return attrName.matches(XLinkNames::hrefAttr);
 }
 
-String SVGURIReference::fragmentIdentifierFromIRIString(const String& url, const Document& document)
+AtomicString SVGURIReference::fragmentIdentifierFromIRIString(const String& url, const Document& document)
 {
     size_t start = url.find('#');
     if (start == kNotFound)
-        return emptyString();
+        return emptyAtom;
 
     KURL base = start ? KURL(document.baseURI(), url.substring(0, start)) : document.baseURI();
     if (equalIgnoringFragmentIdentifier(base, document.url()))
-        return url.substring(start + 1);
+        return AtomicString(url.substring(start + 1));
 
-    return emptyString();
+    return emptyAtom;
 }
 
-static inline KURL urlFromIRIStringWithFragmentIdentifier(const String& url, const Document& document, String& fragmentIdentifier)
+static inline KURL urlFromIRIStringWithFragmentIdentifier(const String& url, const Document& document, AtomicString& fragmentIdentifier)
 {
     size_t startOfFragmentIdentifier = url.find('#');
     if (startOfFragmentIdentifier == kNotFound)
         return KURL();
 
     // Exclude the '#' character when determining the fragmentIdentifier.
-    fragmentIdentifier = url.substring(startOfFragmentIdentifier + 1);
+    fragmentIdentifier = AtomicString(url.substring(startOfFragmentIdentifier + 1));
     if (startOfFragmentIdentifier) {
         KURL base(document.baseURI(), url.substring(0, startOfFragmentIdentifier));
         return KURL(base, url.substring(startOfFragmentIdentifier));
@@ -71,10 +71,10 @@ static inline KURL urlFromIRIStringWithFragmentIdentifier(const String& url, con
     return KURL(document.baseURI(), url.substring(startOfFragmentIdentifier));
 }
 
-Element* SVGURIReference::targetElementFromIRIString(const String& iri, const Document& document, String* fragmentIdentifier, Document* externalDocument)
+Element* SVGURIReference::targetElementFromIRIString(const String& iri, const Document& document, AtomicString* fragmentIdentifier, Document* externalDocument)
 {
     // If there's no fragment identifier contained within the IRI string, we can't lookup an element.
-    String id;
+    AtomicString id;
     KURL url = urlFromIRIStringWithFragmentIdentifier(iri, document, id);
     if (url == KURL())
         return 0;