Revert of Simplify BrowserContext by removing redundant methods.

extensions/browser/api/sockets_tcp/sockets_tcp_api.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 "extensions/browser/api/sockets_tcp/sockets_tcp_api.h"
 
 #include "content/public/browser/browser_context.h"
-#include "content/public/browser/storage_partition.h"
 #include "content/public/common/socket_permission_request.h"
 #include "extensions/browser/api/socket/tcp_socket.h"
 #include "extensions/browser/api/socket/tls_socket.h"
 #include "extensions/browser/api/sockets_tcp/tcp_socket_event_dispatcher.h"
 #include "extensions/common/api/sockets/sockets_manifest_data.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/url_request_context.h"
 #include "net/url_request/url_request_context_getter.h"
 
 using extensions::ResumableTCPSocket;
@@ skipping 430 matching lines @@
 SocketsTcpSecureFunction::SocketsTcpSecureFunction() {
 }
 
 SocketsTcpSecureFunction::~SocketsTcpSecureFunction() {
 }
 
 bool SocketsTcpSecureFunction::Prepare() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   params_ = api::sockets_tcp::Secure::Params::Create(*args_);
   EXTENSION_FUNCTION_VALIDATE(params_.get());
-  url_request_getter_ = content::BrowserContext::GetDefaultStoragePartition(
-      browser_context())->GetURLRequestContext();
+  url_request_getter_ = browser_context()->GetRequestContext();
   return true;
 }
 
 // Override the regular implementation, which would call AsyncWorkCompleted
 // immediately after Work().
 void SocketsTcpSecureFunction::AsyncWorkStart() {
   DCHECK_CURRENTLY_ON(content::BrowserThread::IO);
 
   ResumableTCPSocket* socket = GetTcpSocket(params_->socket_id);
   if (!socket) {
@@ skipping 64 matching lines @@
     RemoveSocket(params_->socket_id);
     error_ = net::ErrorToString(result);
   }
 
   results_ = api::sockets_tcp::Secure::Results::Create(result);
   AsyncWorkCompleted();
 }
 
 }  // namespace api
 }  // namespace extensions