Allow signin to continue even if sync is disabled by policy.

chrome/browser/ui/browser_commands.cc

 // Copyright 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/browser_commands.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/bookmarks/bookmark_model.h"
@@ skipping 185 matching lines @@
 }
 
 bool IsNTPModeForInstantExtendedAPI(const Browser* browser) {
   return browser->search_model() &&
       search::IsInstantExtendedAPIEnabled(browser->profile()) &&
           browser->search_model()->mode().is_ntp();
 }
 
 }  // namespace
 
+#include "chrome/app/chrome_command_ids.h"
 bool IsCommandEnabled(Browser* browser, int command) {
   return browser->command_controller()->command_updater()->IsCommandEnabled(
       command);
 }
 
 bool SupportsCommand(Browser* browser, int command) {
   return browser->command_controller()->command_updater()->SupportsCommand(
       command);
 }
 
@@ skipping 878 matching lines @@
       Browser::CreateParams::CreateForApp(
           Browser::TYPE_POPUP, app_name, gfx::Rect(), browser->profile()));
   app_browser->tab_strip_model()->AppendWebContents(contents, true);
 
   contents->GetMutableRendererPrefs()->can_accept_load_drops = false;
   contents->GetRenderViewHost()->SyncRendererPrefs();
   app_browser->window()->Show();
 }
 
 }  // namespace chrome