Revert of Simplify BrowserContext by removing redundant methods.

chromecast/browser/geolocation/cast_access_token_store.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 "chromecast/browser/geolocation/cast_access_token_store.h"
 
 #include "base/callback_helpers.h"
 #include "chromecast/browser/cast_browser_context.h"
 #include "chromecast/browser/cast_content_browser_client.h"
 #include "content/public/browser/browser_thread.h"
-#include "content/public/browser/storage_partition.h"
 #include "content/public/common/content_client.h"
 
 namespace chromecast {
 namespace shell {
 
 CastAccessTokenStore::CastAccessTokenStore(
     content::BrowserContext* browser_context)
     : browser_context_(browser_context) {
 }
 
 CastAccessTokenStore::~CastAccessTokenStore() {
 }
 
 void CastAccessTokenStore::GetRequestContextGetterOnUIThread() {
-  request_context_ = content::BrowserContext::GetDefaultStoragePartition(
-      browser_context_)->GetURLRequestContext();
+  request_context_ = browser_context_->GetRequestContext();
 }
 
 void CastAccessTokenStore::RespondOnOriginatingThread() {
   base::ResetAndReturn(&callback_).Run(access_token_map_, request_context_);
 }
 
 void CastAccessTokenStore::LoadAccessTokens(
     const LoadAccessTokensCallback& callback) {
   callback_ = callback;
   content::BrowserThread::PostTaskAndReply(
       content::BrowserThread::UI,
       FROM_HERE,
       base::Bind(&CastAccessTokenStore::GetRequestContextGetterOnUIThread,
                  this),
       base::Bind(&CastAccessTokenStore::RespondOnOriginatingThread, this));
 }
 
 void CastAccessTokenStore::SaveAccessToken(
     const GURL& server_url, const base::string16& access_token) {
   if (access_token_map_[server_url] != access_token) {
     access_token_map_[server_url] = access_token;
   }
 }
 
 }  // namespace shell
 }  // namespace chromecast