let isLocal = uri => {
         let localSchemes = new Set(["chrome", "file", "resource"]);
         if (uri instanceof Ci.nsINestedURI) {
           uri = uri.QueryInterface(Ci.nsINestedURI).innerMostURI;
         }
         return localSchemes.has(uri.scheme);
       };
       if (isLocal(resolvedURI)) {
         // If the URI is local, we are sure it won't wrongly inherit chrome privs
         let features = "chrome,dialog=no,all" + this.getFeatures(cmdLine);
         // Provide 1 null argument, as openWindow has a different behavior
         // when the arg count is 0.
         let argArray = Cc["@mozilla.org/array;1"]
                          .createInstance(Ci.nsIMutableArray);
         argArray.appendElement(null);
         Services.ww.openWindow(null, resolvedURI.spec, "_blank", features, argArray);
         cmdLine.preventDefault = true;
       } else {
         dump("*** Preventing load of web URI as chrome\n");
         dump("    If you're trying to load a webpage, do not pass --chrome.\n");
       }

Hello, I use 'firefox -P *** -no-remote -chrome 'http://localhost:***' in ff 40, it works well. After I updated to ff52, message 'If you're trying to load a webpage, do not pass --chrome' returned. So I view the source code in nsBrowserContentHandler.js, I found the follow code: let isLocal = uri => { let localSchemes = new Set(["chrome", "file", "resource"]); if (uri instanceof Ci.nsINestedURI) { uri = uri.QueryInterface(Ci.nsINestedURI).innerMostURI; } return localSchemes.has(uri.scheme); }; if (isLocal(resolvedURI)) { // If the URI is local, we are sure it won't wrongly inherit chrome privs let features = "chrome,dialog=no,all" + this.getFeatures(cmdLine); // Provide 1 null argument, as openWindow has a different behavior // when the arg count is 0. let argArray = Cc["@mozilla.org/array;1"] .createInstance(Ci.nsIMutableArray); argArray.appendElement(null); Services.ww.openWindow(null, resolvedURI.spec, "_blank", features, argArray); cmdLine.preventDefault = true; } else { dump("*** Preventing load of web URI as chrome\n"); dump(" If you're trying to load a webpage, do not pass --chrome.\n"); } We can see for the new version of ff, only 'chrome', 'file', 'resource' can go with -chrome while 'http' and 'https' can't. What I need is to load the webpage with -chrome and profile to start the browser Browser without Header/Scroll/Toolbar/BookmarBar/MenuBar/TabBar etc. and Right click disabled, so is there any way to let 'http' and 'https' go with -chrome or any other solutions? Thanks a lot!