--- a/toolkit/content/widgets/general.xml
+++ b/toolkit/content/widgets/general.xml
@@ -4,16 +4,20 @@
    - file, You can obtain one at http://mozilla.org/MPL/2.0/. -->
 
 
 <bindings id="generalBindings"
    xmlns="http://www.mozilla.org/xbl"
    xmlns:xul="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
    xmlns:xbl="http://www.mozilla.org/xbl">
 
+  <!-- This binding is needed on <scrollbar> to prevent content process
+       startup performance regression; to be removed in bug 1458375 -->
+  <binding id="empty"/>
+
   <binding id="basecontrol">
     <implementation implements="nsIDOMXULControlElement">
       <!-- public implementation -->
       <property name="disabled" onset="if (val) this.setAttribute('disabled', 'true');
                                        else this.removeAttribute('disabled');
                                        return val;"
                                 onget="return this.getAttribute('disabled') == 'true';"/>
       <property name="tabIndex" onget="return parseInt(this.getAttribute('tabindex')) || 0"

--- a/toolkit/themes/osx/global/nativescrollbars.css
+++ b/toolkit/themes/osx/global/nativescrollbars.css
@@ -2,16 +2,17 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 @namespace html url("http://www.w3.org/1999/xhtml");
 
 scrollbar {
   -moz-appearance: scrollbar;
+  -moz-binding: url("chrome://global/content/bindings/general.xml#empty");
   cursor: default;
   background-color: white;
 }
 
 scrollbar[root="true"] {
   position: relative;
   z-index: 2147483647; /* largest positive value of a signed 32-bit integer */
 }
@@ -76,11 +77,12 @@ scrollcorner {
   cursor: default;
   background-color: white;
 }
 
 /* ::::::::::::::::::::: MEDIA PRINT :::::::::::::::::::::: */
 @media print {
   html|div scrollbar {
     -moz-appearance: scrollbar;
+    -moz-binding: url("chrome://global/content/bindings/general.xml#empty");
     cursor: default;
   }
 }

--- a/toolkit/themes/windows/global/xulscrollbars.css
+++ b/toolkit/themes/windows/global/xulscrollbars.css
@@ -8,16 +8,17 @@
 
 @namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
 @namespace html url("http://www.w3.org/1999/xhtml"); /* namespace for HTML elements */
 
 /* ::::: scrollbar ::::: */
 
 scrollbar {
   -moz-appearance: scrollbar-horizontal;
+  -moz-binding: url("chrome://global/content/bindings/general.xml#empty");
   cursor: default;
 }
 
 @media all and (-moz-overlay-scrollbars) {
   scrollbar[root="true"] {
     position: relative;
     z-index: 2147483647; /* largest positive value of a signed 32-bit integer */
   }
@@ -57,17 +58,17 @@ thumb[orient="horizontal"] {
 
 scrollbarbutton {
   min-width: 16px;
   min-height: 16px;
 }
 
 /* ::::: square at the corner of two scrollbars ::::: */
 
-scrollcorner { 
+scrollcorner {
   /* XXX -moz-appearance: scrollcorner; */
   width: 16px;
   cursor: default;
   background-color: -moz-Dialog;
 }
 
 /* ..... increment .... */