Implement one click login.

chrome/browser/ui/tab_contents/tab_contents_wrapper.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/ui/tab_contents/tab_contents_wrapper.h"
 
 #include "base/command_line.h"
 #include "base/lazy_instance.h"
 #include "chrome/browser/autocomplete_history_manager.h"
 #include "chrome/browser/autofill/autofill_external_delegate.h"
 #include "chrome/browser/autofill/autofill_manager.h"
 #include "chrome/browser/automation/automation_tab_helper.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/download/download_request_limiter_observer.h"
 #include "chrome/browser/extensions/extension_tab_helper.h"
 #include "chrome/browser/extensions/extension_webnavigation_api.h"
 #include "chrome/browser/external_protocol/external_protocol_observer.h"
 #include "chrome/browser/favicon/favicon_tab_helper.h"
 #include "chrome/browser/history/history_tab_helper.h"
 #include "chrome/browser/infobars/infobar_tab_helper.h"
 #include "chrome/browser/omnibox_search_hint.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/password_manager_delegate_impl.h"
 #include "chrome/browser/plugin_observer.h"
 #include "chrome/browser/prerender/prerender_tab_helper.h"
 #include "chrome/browser/printing/print_preview_message_handler.h"
 #include "chrome/browser/printing/print_view_manager.h"
 #include "chrome/browser/safe_browsing/safe_browsing_tab_observer.h"
 #include "chrome/browser/sessions/restore_tab_helper.h"
+#include "chrome/browser/signin/one_click_signin.h"
+#include "chrome/browser/signin/token_service.h"
 #include "chrome/browser/tab_contents/tab_contents_ssl_helper.h"
 #include "chrome/browser/tab_contents/thumbnail_generator.h"
 #include "chrome/browser/translate/translate_tab_helper.h"
 #include "chrome/browser/ui/alternate_error_tab_observer.h"
 #include "chrome/browser/ui/blocked_content/blocked_content_tab_helper.h"
 #include "chrome/browser/ui/bookmarks/bookmark_tab_helper.h"
 #include "chrome/browser/ui/constrained_window_tab_helper.h"
 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
 #include "chrome/browser/ui/intents/web_intent_picker_controller.h"
 #include "chrome/browser/ui/pdf/pdf_tab_observer.h"
@@ skipping 81 matching lines @@
   sad_tab_observer_.reset(new SadTabObserver(contents));
   safe_browsing_tab_observer_.reset(
       new safe_browsing::SafeBrowsingTabObserver(this));
 
   // Start the in-browser thumbnailing if the feature is enabled.
   if (CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableInBrowserThumbnailing)) {
     thumbnail_generation_observer_.reset(new ThumbnailGenerator);
     thumbnail_generation_observer_->StartThumbnailing(web_contents_.get());
   }
+
+  // If the profile is not already connected to a Google account and this is
+  // not an incognito window, setup to handle one-click login.
+#if !defined(OS_CHROMEOS)
+  if (OneClickSigninManager::CanOffer(contents))
+      one_click_signin_manager_.reset(new OneClickSigninManager(contents));
+#endif
 }
 
 TabContentsWrapper::~TabContentsWrapper() {
   in_destructor_ = true;
 
   // Need to tear down infobars before the TabContents goes away.
   // TODO(avi): Can we get this handled by the tab helper itself?
   infobar_tab_helper_.reset();
 }
 
@@ skipping 41 matching lines @@
 
 ////////////////////////////////////////////////////////////////////////////////
 // WebContentsObserver overrides
 
 void TabContentsWrapper::WebContentsDestroyed(WebContents* tab) {
   // Destruction of the WebContents should only be done by us from our
   // destructor. Otherwise it's very likely we (or one of the helpers we own)
   // will attempt to access the TabContents and we'll crash.
   DCHECK(in_destructor_);
 }