copy from layout/reftests/native-theme/blank-window.xul
copy to layout/reftests/xul/blank-window.xul

--- a/layout/reftests/xul/reftest.list
+++ b/layout/reftests/xul/reftest.list
@@ -73,8 +73,22 @@ fails == object-fit-fill-svg-006.xul obj
 # bug 1218954.
 skip == treecell-image-svg-1a.xul treecell-image-svg-1-ref.xul # bug 1218954
 skip == treecell-image-svg-1b.xul treecell-image-svg-1-ref.xul # bug 1218954
 
 == treechildren-padding-percent-1.xul treechildren-padding-percent-1-ref.xul
 
 != treetwisty-svg-context-paint-1-not-ref.xul treetwisty-svg-context-paint-1-ref.xul
 test-pref(svg.context-properties.content.enabled,true) == treetwisty-svg-context-paint-1.xul treetwisty-svg-context-paint-1-ref.xul
+
+# resizer (non-native-themed)
+!= resizer-bottomend.xul blank-window.xul
+== resizer-bottomend.xul resizer-bottomright.xul
+!= resizer-bottomend.xul resizer-bottomend-rtl.xul
+!= resizer-bottomend-rtl.xul blank-window.xul
+== resizer-bottomend-rtl.xul resizer-bottomend-flipped.xul
+
+!= resizer-bottomstart.xul blank-window.xul
+== resizer-bottomstart.xul resizer-bottomleft.xul
+== resizer-bottomstart.xul resizer-left.xul
+!= resizer-bottomstart.xul resizer-bottomstart-rtl.xul
+!= resizer-bottomstart-rtl.xul blank-window.xul
+== resizer-bottomstart-rtl.xul resizer-bottomend.xul

copy from layout/reftests/native-theme/resizer-bottomend-flipped.xul
copy to layout/reftests/xul/resizer-bottomend-flipped.xul
--- a/layout/reftests/native-theme/resizer-bottomend-flipped.xul
+++ b/layout/reftests/xul/resizer-bottomend-flipped.xul
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 
 <window title="Resizer"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <hbox>
-    <resizer dir="bottomend" style="-moz-transform: scaleX(-1)"/>
+    <resizer dir="bottomend" style="-moz-transform: scaleX(-1); -moz-appearance: none"/>
     <spacer flex="1"/>
   </hbox>
 </window>

copy from layout/reftests/native-theme/resizer-bottomend-rtl.xul
copy to layout/reftests/xul/resizer-bottomend-rtl.xul
--- a/layout/reftests/native-theme/resizer-bottomend-rtl.xul
+++ b/layout/reftests/xul/resizer-bottomend-rtl.xul
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 
 <window title="Resizer"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <hbox>
-    <resizer dir="bottomend" style="direction: rtl"/>
+    <resizer dir="bottomend" style="direction: rtl; -moz-appearance: none"/>
     <spacer flex="1"/>
   </hbox>
 </window>

copy from layout/reftests/native-theme/resizer-bottomend.xul
copy to layout/reftests/xul/resizer-bottomend.xul
--- a/layout/reftests/native-theme/resizer-bottomend.xul
+++ b/layout/reftests/xul/resizer-bottomend.xul
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 
 <window title="Resizer"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <hbox>
-    <resizer dir="bottomend"/>
+    <resizer dir="bottomend" style="-moz-appearance: none"/>
     <spacer flex="1"/>
   </hbox>
 </window>

copy from layout/reftests/native-theme/resizer-bottomleft.xul
copy to layout/reftests/xul/resizer-bottomleft.xul
--- a/layout/reftests/native-theme/resizer-bottomleft.xul
+++ b/layout/reftests/xul/resizer-bottomleft.xul
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 
 <window title="Resizer"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <hbox>
-    <resizer dir="bottomleft"/>
+    <resizer dir="bottomleft" style="-moz-appearance: none"/>
     <spacer flex="1"/>
   </hbox>
 </window>

copy from layout/reftests/native-theme/resizer-bottomright.xul
copy to layout/reftests/xul/resizer-bottomright.xul
--- a/layout/reftests/native-theme/resizer-bottomright.xul
+++ b/layout/reftests/xul/resizer-bottomright.xul
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 
 <window title="Resizer"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <hbox>
-    <resizer dir="bottomright"/>
+    <resizer dir="bottomright" style="-moz-appearance: none"/>
     <spacer flex="1"/>
   </hbox>
 </window>

copy from layout/reftests/native-theme/resizer-bottomstart-rtl.xul
copy to layout/reftests/xul/resizer-bottomstart-rtl.xul
--- a/layout/reftests/native-theme/resizer-bottomstart-rtl.xul
+++ b/layout/reftests/xul/resizer-bottomstart-rtl.xul
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 
 <window title="Resizer"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <hbox>
-    <resizer dir="bottomstart" style="direction: rtl"/>
+    <resizer dir="bottomstart" style="direction: rtl; -moz-appearance: none"/>
     <spacer flex="1"/>
   </hbox>
 </window>

copy from layout/reftests/native-theme/resizer-bottomstart.xul
copy to layout/reftests/xul/resizer-bottomstart.xul
--- a/layout/reftests/native-theme/resizer-bottomstart.xul
+++ b/layout/reftests/xul/resizer-bottomstart.xul
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 
 <window title="Resizer"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <hbox>
-    <resizer dir="bottomstart"/>
+    <resizer dir="bottomstart" style="-moz-appearance: none"/>
     <spacer flex="1"/>
   </hbox>
 </window>

copy from layout/reftests/native-theme/resizer-left.xul
copy to layout/reftests/xul/resizer-left.xul
--- a/layout/reftests/native-theme/resizer-left.xul
+++ b/layout/reftests/xul/resizer-left.xul
@@ -1,10 +1,10 @@
 <?xml version="1.0"?>
 <?xml-stylesheet href="chrome://global/skin" type="text/css"?>
 
 <window title="Resizer"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
   <hbox>
-    <resizer dir="left"/>
+    <resizer dir="left" style="-moz-appearance: none"/>
     <spacer flex="1"/>
   </hbox>
 </window>