Remove PSS::ShowLoginDialog() and obsolete IDC_SYNC_BOOKMARKS.

chrome/browser/ui/panels/panel_window_controller_cocoa.mm

 // 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.
 
 #include "chrome/browser/ui/panels/panel_window_controller_cocoa.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/logging.h"
 #include "base/mac/bundle_locations.h"
@@ skipping 268 matching lines @@
       action == @selector(commandDispatchUsingKeyModifiers:)) {
     NSInteger tag = [item tag];
     CommandUpdater* command_updater = windowShim_->browser()->command_updater();
     if (command_updater->SupportsCommand(tag)) {
       enable = command_updater->IsCommandEnabled(tag);
       // Disable commands that do not apply to Panels.
       switch (tag) {
         case IDC_CLOSE_TAB:
         case IDC_FULLSCREEN:
         case IDC_PRESENTATION_MODE:
-        case IDC_SYNC_BOOKMARKS:
+        case IDC_SHOW_SYNC_SETUP:
           enable = NO;
           break;
         default:
           // Special handling for the contents of the Text Encoding submenu. On
           // Mac OS, instead of enabling/disabling the top-level menu item, we
           // enable/disable the submenu's contents (per Apple's HIG).
           EncodingMenuController encoding_controller;
           if (encoding_controller.DoesCommandBelongToEncodingMenu(tag)) {
             enable &= command_updater->IsCommandEnabled(IDC_ENCODING_MENU) ?
                 YES : NO;
@@ skipping 318 matching lines @@
 
 - (BOOL)canBecomeKeyWindow {
   // Panel can only gain focus if it is expanded. Minimized panels do not
   // participate in Cmd-~ rotation.
   // TODO(dimich): If it will be ever desired to expand/focus the Panel on
   // keyboard navigation or via main menu, the care should be taken to avoid
   // cases when minimized Panel is getting keyboard input, invisibly.
   return windowShim_->panel()->expansion_state() == Panel::EXPANDED;
 }
 @end