Setting host without port should keep old port

Source/core/html/HTMLAnchorElement.cpp

Index: Source/core/html/HTMLAnchorElement.cpp
diff --git a/Source/core/html/HTMLAnchorElement.cpp b/Source/core/html/HTMLAnchorElement.cpp
index e0034d05ae423aeb9a67a8c9705ffb2dd95f2abc..e10898a4831280c94700e98a62ee3d363e934d4d 100644
--- a/Source/core/html/HTMLAnchorElement.cpp
+++ b/Source/core/html/HTMLAnchorElement.cpp
@@ -413,9 +413,9 @@ void HTMLAnchorElement::setHost(const String& value)
     if (!separator)
         return;
 
-    if (separator == kNotFound)
-        url.setHostAndPort(value);
-    else {
+    if (separator == kNotFound) {
+        url.setHost(value);
+    } else {
         unsigned portEnd;
         unsigned port = parsePortFromStringPosition(value, separator + 1, portEnd);
         if (!port) {