dom-ui sync: When hitting the 'Customize' button, retain 'keep everything sync'd state.

BUG=81603
TEST=Verify that 'Sync everything' is selcted on toggle between 'Customize' and 'Use default settings'.
Review URL: http://codereview.chromium.org/6974006

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@86243 0039d316-1c4b-4281-b951-d872f2087c98

chrome/browser/resources/options/sync_setup_overlay.js

@@ -70,7 +70,7 @@ cr.define('options', function() {
         self.closeOverlay_();
       };
       $('customize-link').onclick = function() {
-        self.showCustomizePage_(false);
+        self.showCustomizePage_(true);
       };
       $('confirm-everything-ok').onclick = function() {
         self.sendConfiguration_();