Build sync by default on all platforms. Add a command line parameter to enab...

chrome/browser/browser.cc

 // Copyright (c) 2006-2009 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/browser.h"
 
 #include "app/animation.h"
 #include "app/l10n_util.h"
 #include "base/command_line.h"
 #include "base/keyboard_codes.h"
@@ skipping 635 matching lines @@
   command_updater_.UpdateCommandEnabled(IDC_FOCUS_TOOLBAR, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_FOCUS_LOCATION, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_FOCUS_SEARCH, show_main_ui);
 
   // Show various bits of UI
   command_updater_.UpdateCommandEnabled(IDC_DEVELOPER_MENU, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_NEW_PROFILE, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_REPORT_BUG, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_SHOW_BOOKMARK_BAR, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_IMPORT_SETTINGS, show_main_ui);
-  command_updater_.UpdateCommandEnabled(IDC_SYNC_BOOKMARKS, show_main_ui);
+#if defined(BROWSER_SYNC)
+  command_updater_.UpdateCommandEnabled(
+      IDC_SYNC_BOOKMARKS,
+      show_main_ui && profile_->GetProfileSyncService() != NULL);
+#endif
   command_updater_.UpdateCommandEnabled(IDC_OPTIONS, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_EDIT_SEARCH_ENGINES, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_VIEW_PASSWORDS, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_ABOUT, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_SHOW_APP_MENU, show_main_ui);
   command_updater_.UpdateCommandEnabled(IDC_SHOW_PAGE_MENU, show_main_ui);
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, Assorted browser commands:
@@ skipping 2261 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 // BrowserToolbarModel (private):
 
 NavigationController* Browser::BrowserToolbarModel::GetNavigationController() {
   // This |current_tab| can be NULL during the initialization of the
   // toolbar during window creation (i.e. before any tabs have been added
   // to the window).
   TabContents* current_tab = browser_->GetSelectedTabContents();
   return current_tab ? &current_tab->controller() : NULL;
 }