Remove the preference localizer class....

chrome/app/generated_resources.grd

 <?xml version="1.0" encoding="UTF-8"?>
 
 <!-- This file contains definitions of resources that will be translated for
 each locale. -->
 
 <grit base_dir="." latest_public_release="0" current_release="1"
       source_lang_id="en" enc_check="möl">
   <outputs>
     <output filename="grit/generated_resources.h" type="rc_header">
       <emit emit_type='prepend'></emit>
@@ skipping 3976 matching lines @@
       </message>
       <message name="IDS_OPTIONS_HOMEPAGE_USE_NEWTAB" desc="The title of the 'Use the New Tab page' for the home page radio">
         Use the New Tab page
       </message>
       <message name="IDS_OPTIONS_HOMEPAGE_USE_URL" desc="The title of the 'Use this page' for the home page radio">
         Open this page:
       </message>
       <message name="IDS_OPTIONS_HOMEPAGE_SHOW_BUTTON" desc="The label of the 'Show home button on toolbar' checkbox">
         Show Home button on the toolbar
       </message>
+      
+      <if expr="os == 'darwin'">
+        <!-- Mac has a Toolbar group (IDS_OPTIONS_HOMEPAGE_SHOW_BUTTON moved in this group) -->
+        <message name="IDS_OPTIONS_TOOLBAR_GROUP_NAME" desc="The title of the toolbar group">
+          Toolbar:
+        </message>
+        <message name="IDS_OPTIONS_PAGE_OPTION_SHOW_BUTTON" desc="The label of the 'Show Page and Option buttons on toolbar' checkbox">
+          Show Page and Option buttons on the toolbar
+        </message>
+      </if>
 
       <message name="IDS_OPTIONS_DEFAULTSEARCH_GROUP_NAME" desc="The title of the default search engine group">
         Default search:
       </message>
       <message name="IDS_OPTIONS_DEFAULTSEARCH_GROUP_DESCRIPTION" desc="The description of the default search engine group">
         Set the search engine used in the omnibox.
       </message>
       <message name="IDS_OPTIONS_DEFAULTSEARCH_MANAGE_ENGINES_LINK"
                desc="The label of a link that brings up the keyword editor (aka search engine editor)">
         Manage
@@ skipping 1658 matching lines @@
         Calculating remaining time
       </message>
       <message name="IDS_STATUSBAR_BATTERY_IS_CHARGED" desc="In the power menu button, the battery is charged message.">
         Battery is charged
       </message>
     </if>
 
     </messages>
   </release>
 </grit>