Bug 405277 - "Go button fails to appear when plain text dragged to location bar" (always invalidate when dropping text) [p=dao@mozilla.com (Dão Gottwald) r=gavin a1.9=schrep]

browser/base/content/urlbarBindings.xml

@@ -116,6 +116,7 @@
             nsDragAndDrop.dragDropSecurityCheck(aEvent, aDragSession, url);
 
             this.value = url;
+            SetPageProxyState("invalid");
             try {
               urlSecurityCheck(this.value,
                                gBrowser.contentPrincipal,