Revert of Simplify BrowserContext by removing redundant methods.

chrome/browser/ntp_snippets/ntp_snippets_service_factory.cc

 // Copyright 2015 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/ntp_snippets/ntp_snippets_service_factory.h"
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search/suggestions/suggestions_service_factory.h"
 #include "chrome/common/channel_info.h"
 #include "components/keyed_service/content/browser_context_dependency_manager.h"
 #include "components/ntp_snippets/ntp_snippets_fetcher.h"
 #include "components/ntp_snippets/ntp_snippets_scheduler.h"
 #include "components/ntp_snippets/ntp_snippets_service.h"
 #include "components/safe_json/safe_json_parser.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/browser/storage_partition.h"
 #include "net/url_request/url_request_context_getter.h"
 
 #if defined(OS_ANDROID)
 #include "chrome/browser/android/ntp/ntp_snippets_launcher.h"
 #endif  // OS_ANDROID
 
 using content::BrowserThread;
 using suggestions::SuggestionsService;
 using suggestions::SuggestionsServiceFactory;
 
@@ skipping 16 matching lines @@
           BrowserContextDependencyManager::GetInstance()) {
   DependsOn(SuggestionsServiceFactory::GetInstance());
 }
 
 NTPSnippetsServiceFactory::~NTPSnippetsServiceFactory() {}
 
 KeyedService* NTPSnippetsServiceFactory::BuildServiceInstanceFor(
     content::BrowserContext* context) const {
   Profile* profile = Profile::FromBrowserContext(context);
   scoped_refptr<net::URLRequestContextGetter> request_context =
-      content::BrowserContext::GetDefaultStoragePartition(context)->
-            GetURLRequestContext();
+      context->GetRequestContext();
   SuggestionsService* suggestions_service =
       SuggestionsServiceFactory::GetForProfile(profile);
 
   ntp_snippets::NTPSnippetsScheduler* scheduler = nullptr;
 #if defined(OS_ANDROID)
   scheduler = NTPSnippetsLauncher::Get();
 #endif  // OS_ANDROID
 
   scoped_refptr<base::SequencedTaskRunner> task_runner =
       BrowserThread::GetBlockingPool()
           ->GetSequencedTaskRunnerWithShutdownBehavior(
               base::SequencedWorkerPool::GetSequenceToken(),
               base::SequencedWorkerPool::CONTINUE_ON_SHUTDOWN);
 
   return new ntp_snippets::NTPSnippetsService(
       profile->GetPrefs(), suggestions_service, task_runner,
       g_browser_process->GetApplicationLocale(), scheduler,
       make_scoped_ptr(new ntp_snippets::NTPSnippetsFetcher(
           task_runner, request_context,
           chrome::GetChannel() == version_info::Channel::STABLE)),
       base::Bind(&safe_json::SafeJsonParser::Parse));
 }