[Mac] Add a preference for the tab key cycling between just form fields, or links as well.

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 6271 matching lines @@
       </message>
 
       <message name="IDS_OPTIONS_LINKDOCTOR_PREF" desc="The documentation string of the 'Use Link Doctor' preference">
         Show suggestions for navigation errors
       </message>
 
       <message name="IDS_OPTIONS_SUGGEST_PREF" desc="The documentation string of the 'Use Suggest' preference">
         Use a suggestion service to help complete searches and URLs typed in the address bar
       </message>
 
+      <message name="IDS_OPTIONS_TABS_TO_LINKS_PREF" desc="The documentation string of the 'Tabs to Links' preference">
+        Pressing Tab on a webpage highlights links, as well as form fields
+      </message>
+
       <message name="IDS_OPTIONS_FONTSETTINGS_INFO" desc="Information text about font and language options for web pages">
         Change the default font and language for webpages.
       </message>
       <message name="IDS_OPTIONS_FONTSETTINGS_CONFIGUREFONTS_BUTTON" desc="The label of the 'configure fonts and languages' button">
         Change font and language settings
       </message>
       <message name="IDS_OPTIONS_FONTSETTINGS_CONFIGUREFONTSONLY_BUTTON" desc="The label of the 'configure fonts' button">
         Change font settings
       </message>
 
@@ skipping 1394 matching lines @@
 
     </messages>
 
     <structures first_id="50000" fallback_to_english="true">
       <structure name="IDD_CHROME_FRAME_FIND_DIALOG" file="cf_resources.rc" type="dialog" >
       </structure>
     </structures>
 
   </release>
 </grit>