Bug 1098431 - Fix popup positioning for devtools option panel menulists;r=mratcliffe

browser/devtools/framework/toolbox-options.xul

@@ -49,6 +49,7 @@
             <label control="defaultColorUnitMenuList"
                    accesskey="&options.defaultColorUnit.accesskey;"
             >&options.defaultColorUnit.label;</label>
+            <hbox>
               <menulist id="defaultColorUnitMenuList"
                         data-pref="devtools.defaultColorUnit">
                 <menupopup>
@@ -58,6 +59,7 @@
                   <menuitem label="&options.defaultColorUnit.name;" value="name"/>
                 </menupopup>
               </menulist>
+            </hbox>
           </description>
         </vbox>
         <label>&options.webconsole.label;</label>
@@ -103,6 +105,7 @@
             <label control="devtools-sourceeditor-tabsize-menulist"
                    accesskey="&options.sourceeditor.tabsize.accesskey;"
             >&options.sourceeditor.tabsize.label;</label>
+            <hbox>
               <menulist id="devtools-sourceeditor-tabsize-menulist"
                         data-pref="devtools.editor.tabsize">
                 <menupopup>
@@ -111,11 +114,13 @@
                   <menuitem label="8" value="8"/>
                 </menupopup>
               </menulist>
+            </hbox>
           </description>
           <description>
             <label control="devtools-sourceeditor-keybinding-menulist"
                    accesskey="&options.sourceeditor.keybinding.accesskey;"
             >&options.sourceeditor.keybinding.label;</label>
+            <hbox>
               <menulist id="devtools-sourceeditor-keybinding-menulist"
                         data-pref="devtools.editor.keymap">
                 <menupopup>
@@ -126,6 +131,7 @@
                   <menuitem label="Sublime Text" value="sublime"/>
                 </menupopup>
               </menulist>
+            </hbox>
           </description>
         </vbox>
         <label>&options.context.advancedSettings;</label>