Revert of Simplify BrowserContext by removing redundant methods.

chrome/browser/ui/webui/signin/user_manager_screen_handler.cc

 // Copyright 2013 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/webui/signin/user_manager_screen_handler.h"
 
 #include <stddef.h>
 #include <utility>
 #include <vector>
 
@@ skipping 31 matching lines @@
 #include "chrome/browser/ui/user_manager.h"
 #include "chrome/browser/ui/webui/profile_helper.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/prefs/pref_service.h"
 #include "components/proximity_auth/screenlock_bridge.h"
 #include "components/signin/core/account_id/account_id.h"
 #include "content/public/browser/notification_service.h"
-#include "content/public/browser/storage_partition.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "google_apis/gaia/gaia_auth_fetcher.h"
 #include "google_apis/gaia/gaia_constants.h"
 #include "grit/components_strings.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/base/webui/web_ui_util.h"
 #include "ui/gfx/image/image.h"
@@ skipping 361 matching lines @@
     if (LocalAuth::ValidateLocalAuthCredentials(entry, password)) {
       ReportAuthenticationResult(true, ProfileMetrics::AUTH_LOCAL);
       return;
     }
 
     // This could be a mis-typed password or typing a new password while we
     // still have a hash of the old one.  The new way of checking a password
     // change makes use of a token so we do that... if it's available.
     if (!oauth_client_) {
       oauth_client_.reset(new gaia::GaiaOAuthClient(
-          content::BrowserContext::GetDefaultStoragePartition(
-              web_ui()->GetWebContents()->GetBrowserContext())->
-                  GetURLRequestContext()));
+          web_ui()->GetWebContents()->GetBrowserContext()
+              ->GetRequestContext()));
     }
 
     const std::string token = entry->GetPasswordChangeDetectionToken();
     if (!token.empty()) {
       oauth_client_->GetTokenHandleInfo(token, kMaxOAuthRetries, this);
       return;
     }
   }
 
   // In order to support the upgrade case where we have a local hash but no
@@ skipping 534 matching lines @@
     Profile* profile, Profile::CreateStatus profile_create_status) {
   Browser* browser = chrome::FindAnyBrowser(profile, false);
   if (browser && browser->window()) {
     OnBrowserWindowReady(browser);
   } else {
     registrar_.Add(this,
                    chrome::NOTIFICATION_BROWSER_WINDOW_READY,
                    content::NotificationService::AllSources());
   }
 }