Do not do infobar auto login in Incognito.

chrome/browser/ui/android/infobars/auto_login_prompter.cc

 // Copyright 2014 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/android/infobars/auto_login_prompter.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/google/google_url_tracker.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/signin/profile_oauth2_token_service_factory.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "components/auto_login_parser/auto_login_parser.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "net/url_request/url_request.h"
 #include "url/gurl.h"
 
 using content::BrowserThread;
+using content::BrowserContext;
 using content::WebContents;
 
 AutoLoginPrompter::AutoLoginPrompter(WebContents* web_contents,
                                      const Params& params,
                                      const GURL& url)
     : WebContentsObserver(web_contents),
       params_(params),
       url_(url),
       infobar_shown_(false) {
   if (!web_contents->IsLoading()) {
@@ skipping 29 matching lines @@
 // static
 void AutoLoginPrompter::ShowInfoBarUIThread(Params params,
                                             const GURL& url,
                                             int child_id,
                                             int route_id) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   WebContents* web_contents = tab_util::GetWebContentsByID(child_id, route_id);
   if (!web_contents)
     return;
 
-  Profile* profile =
-      Profile::FromBrowserContext(web_contents->GetBrowserContext());
+  BrowserContext* context = web_contents->GetBrowserContext();
+  if (context->IsOffTheRecord())
+    return;
 
+  Profile* profile = Profile::FromBrowserContext(context);
   if (!profile->GetPrefs()->GetBoolean(prefs::kAutologinEnabled))
     return;
 
   // Make sure that |account|, if specified, matches the logged in user.
   // However, |account| is usually empty.
   if (!params.username.empty() && !params.header.account.empty() &&
       params.username != params.header.account)
     return;
   // We can't add the infobar just yet, since we need to wait for the tab to
   // finish loading.  If we don't, the info bar appears and then disappears
@@ skipping 10 matching lines @@
 
 void AutoLoginPrompter::WebContentsDestroyed() {
   // The WebContents was destroyed before the navigation completed.
   delete this;
 }
 
 void AutoLoginPrompter::AddInfoBarToWebContents() {
   if (!infobar_shown_)
     infobar_shown_ = AutoLoginInfoBarDelegate::Create(web_contents(), params_);
 }