fix

mobile/app/mobile.js

@@ -42,8 +42,7 @@ pref("browser.chromeURL", "chrome://browser/content/");
 
 pref("browser.tabs.warnOnClose", true);
 #ifdef MOZ_IPC
-pref("browser.tabs.remote", false);
-//pref("browser.tabs.remote", true);
+pref("browser.tabs.remote", true);
 #else
 pref("browser.tabs.remote", false);
 #endif

mobile/chrome/content/BrowserView.js

@@ -479,10 +479,10 @@ BrowserView.prototype = {
   },
 
   _viewportChanged: function() {
-    getBrowser().style.MozTransformOrigin = "left top";
+/*    getBrowser().style.MozTransformOrigin = "left top";
     getBrowser().style.MozTransform = "scale(" + this.getZoomLevel() + ")";
     getBrowser().style.width = (800 / this.getZoomLevel()) + "px";
-    getBrowser().style.height = (800 / this.getZoomLevel()) + "px";
+    getBrowser().style.height = (800 / this.getZoomLevel()) + "px"; */
   },
 };
 

mobile/chrome/content/browser.js

@@ -253,6 +253,7 @@ var Browser = {
           getBrowser().contentWindow.scrollBy(x, y);
         }
         else {
+//          getBrowser().style.MozTransform = "translateY(100px)";
         }
       },