Implement one click login.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

 // 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/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/download/download_request_limiter.h"
 #include "chrome/browser/download/download_resource_throttle.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/extensions/user_script_listener.h"
 #include "chrome/browser/external_protocol/external_protocol_handler.h"
 #include "chrome/browser/instant/instant_loader.h"
 #include "chrome/browser/net/load_timing_observer.h"
 #include "chrome/browser/prerender/prerender_manager.h"
 #include "chrome/browser/prerender/prerender_manager_factory.h"
 #include "chrome/browser/prerender/prerender_resource_throttle.h"
 #include "chrome/browser/prerender/prerender_tracker.h"
 #include "chrome/browser/profiles/profile_io_data.h"
 #include "chrome/browser/renderer_host/chrome_url_request_user_data.h"
 #include "chrome/browser/renderer_host/safe_browsing_resource_throttle.h"
 #include "chrome/browser/renderer_host/transfer_navigation_resource_throttle.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
+#include "chrome/browser/signin/one_click_signin.h"
 #include "chrome/browser/ui/auto_login_prompter.h"
 #include "chrome/browser/ui/login/login_prompt.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/extensions/user_script.h"
 #include "chrome/common/render_messages.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host.h"
 #include "content/browser/renderer_host/resource_dispatcher_host_request_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/notification_service.h"
@@ skipping 295 matching lines @@
   // a request for a login page, and the server is allowing the browser to
   // suggest auto-login, if available.
   AutoLoginPrompter::ShowInfoBarIfPossible(request, info->child_id(),
                                            info->route_id());
 }
 
 void ChromeResourceDispatcherHostDelegate::OnRequestRedirected(
     net::URLRequest* request,
     content::ResourceResponse* response) {
   LoadTimingObserver::PopulateTimingInfo(request, response);
+
+#if defined(ENABLE_ONE_CLICK_SIGNIN)
+  ResourceDispatcherHostRequestInfo* info =
+      resource_dispatcher_host_->InfoForRequest(request);
+
+  // See if the response contains the X-Google-Accounts-SignIn header.  If so,
+  // then the user has just finished signing in, and the server is allowing the
+  // browser to suggest connecting the user's profile to the account.
+  OneClickSigninManager::ShowInfoBarIfPossible(request, info->child_id(),
+                                               info->route_id());
+#endif
 }