sync setup: Restore previous behavior to focus() passphrase.

chrome/browser/resources/options/sync_setup_overlay.js

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 cr.exportPath('options');
 
 /** @typedef {{appsEnforced: boolean,
  *             appsRegistered: boolean,
  *             appsSynced: boolean,
  *             autofillEnforced: boolean,
@@ skipping 684 matching lines @@
       $('customize-sync-encryption-new').hidden = !args.encryptAllDataAllowed;
 
       $('sync-existing-passphrase-container').hidden = true;
 
       $('sync-select-datatypes').selectedIndex = index;
       this.setDataTypeCheckboxesEnabled_(
           index == options.DataTypeSelection.CHOOSE_WHAT_TO_SYNC);
 
       if (args.showPassphrase) {
         this.showPassphraseContainer_(args);
+        // TODO(dbeam): add an #updatePassphrase and only focus with that hash?

[Dan Beam, 2014/12/11 01:00:11]

both the JS and C++ are incredibly hard to grok and mainly assume that with
*any* error, just show this page (so it's mildly hard to pass a
#updatePassphrase from the sites I want to)

+        $('passphrase').focus();
       } else {
         // We only show the 'Use Default' link if we're not prompting for an
         // existing passphrase.
         $('use-default-link').hidden = false;
         $('use-default-link').disabled = false;
         $('use-default-link').onclick = function() {
           SyncSetupOverlay.showSyncEverythingPage();
           return false;
         };
       }
@@ skipping 167 matching lines @@
 
   SyncSetupOverlay.showStopSyncingUI = function() {
     SyncSetupOverlay.getInstance().showStopSyncingUI_();
   };
 
   // Export
   return {
     SyncSetupOverlay: SyncSetupOverlay
   };
 });