dom-ui options: Add button for displaying Gears settings (windows only)....

chrome/browser/resources/options/advanced_options.js

Index: chrome/browser/resources/options/advanced_options.js
===================================================================
--- chrome/browser/resources/options/advanced_options.js	(revision 56875)
+++ chrome/browser/resources/options/advanced_options.js	(working copy)
@@ -73,6 +73,9 @@
           chrome.send('useSSL2CheckboxAction',
               [String($('sslUseSSL2').checked)]);
         };
+        $('gearSettingsConfigureGearsButton').onclick = function(event) {
+          chrome.send('showGearsSettings');
+        };
       }
     }
   };