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"
@@ skipping 23 matching lines @@
 #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"
 #include "chrome/browser/ui/prefs/prefs_tab_helper.h"
 #include "chrome/browser/ui/sad_tab_observer.h"
 #include "chrome/browser/ui/search_engines/search_engine_tab_helper.h"
 #include "chrome/browser/ui/snapshot_tab_helper.h"
+#include "chrome/browser/ui/sync/one_click_signin_helper.h"
 #include "chrome/browser/ui/sync/tab_contents_wrapper_synced_tab_delegate.h"
 #include "chrome/browser/ui/tab_contents/core_tab_helper.h"
 #include "chrome/common/chrome_switches.h"
 #include "content/public/browser/web_contents.h"
 
 using content::WebContents;
 
 namespace {
 
 static base::LazyInstance<base::PropertyAccessor<TabContentsWrapper*> >
@@ skipping 73 matching lines @@
 #if !defined(OS_ANDROID)
   print_preview_.reset(new printing::PrintPreviewMessageHandler(contents));
 #endif
 
   // 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 this is not an incognito window, setup to handle one-click login.
+#if defined(ENABLE_ONE_CLICK_SIGNIN)
+  if (OneClickSigninHelper::CanOffer(contents))
+      one_click_signin_helper_.reset(new OneClickSigninHelper(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_);
 }