Bug 607518 - After performed Paste & Go and Paste & Search , Ctrl+Z makes blank, Ctrl+Z is necessary twice to undo it. r+a=gavin

--HG--
extra : rebase_source : d22c594d6cec8cfbdadb68b799d5e228aa138f8e

browser/base/content/urlbarBindings.xml

@@ -161,7 +161,7 @@
           pasteAndGo.setAttribute("label", label);
           pasteAndGo.setAttribute("anonid", "paste-and-go");
           pasteAndGo.setAttribute("oncommand",
-              "gURLBar.value = ''; goDoCommand('cmd_paste'); gURLBar.handleCommand();");
+              "gURLBar.select(); goDoCommand('cmd_paste'); gURLBar.handleCommand();");
           cxmenu.insertBefore(pasteAndGo, insertLocation.nextSibling);
         }
       ]]></constructor>

browser/components/search/content/search.xml

@@ -605,7 +605,7 @@
             element.setAttribute("label", label);
             element.setAttribute("anonid", "paste-and-search");
             element.setAttribute("oncommand",
-                "BrowserSearch.searchBar.value = ''; goDoCommand('cmd_paste'); BrowserSearch.searchBar.handleSearchCommand();");
+                "BrowserSearch.searchBar.select(); goDoCommand('cmd_paste'); BrowserSearch.searchBar.handleSearchCommand();");
             cxmenu.insertBefore(element, insertLocation.nextSibling);
             pasteAndSearch = element;
           }