Move policy code into components/policy.

chrome/browser/policy/cloud/system_policy_request_context.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/policy/cloud/system_policy_request_context.h"
-
-#include "base/logging.h"
-#include "base/single_thread_task_runner.h"
-#include "net/cookies/cookie_monster.h"
-#include "net/http/http_network_layer.h"
-#include "net/url_request/url_request_context.h"
-
-namespace policy {
-
-SystemPolicyRequestContext::SystemPolicyRequestContext(
-    scoped_refptr<net::URLRequestContextGetter> system_context_getter,
-    const std::string& user_agent)
-    : system_context_getter_(system_context_getter),
-      http_user_agent_settings_("*", user_agent) {
-  DCHECK(system_context_getter);
-}
-
-SystemPolicyRequestContext::~SystemPolicyRequestContext() {
-}
-
-net::URLRequestContext*
-SystemPolicyRequestContext::GetURLRequestContext() {
-  DCHECK(GetNetworkTaskRunner()->RunsTasksOnCurrentThread());
-  if (!context_.get()) {
-    // Create our URLRequestContext().
-    context_.reset(new net::URLRequestContext());
-
-    net::URLRequestContext* system_context =
-        system_context_getter_->GetURLRequestContext();
-    // Share resolver, proxy service and ssl bits with the system context.
-    // This is important so we don't make redundant requests (e.g. when
-    // resolving proxy auto configuration).
-    // TODO(atwilson): Consider using CopyFrom() here to copy all services -
-    // http://crbug.com/322422.
-    context_->set_net_log(system_context->net_log());
-    context_->set_host_resolver(system_context->host_resolver());
-    context_->set_proxy_service(system_context->proxy_service());
-    context_->set_ssl_config_service(
-        system_context->ssl_config_service());
-
-    // Set our custom UserAgent.
-    context_->set_http_user_agent_settings(&http_user_agent_settings_);
-
-    // Share the http session.
-    http_transaction_factory_.reset(new net::HttpNetworkLayer(
-        system_context->http_transaction_factory()->GetSession()));
-    context_->set_http_transaction_factory(http_transaction_factory_.get());
-
-    // No cookies, please. We also don't track channel IDs (no
-    // ServerBoundCertService).
-    context_->set_cookie_store(new net::CookieMonster(NULL, NULL));
-  }
-
-  return context_.get();
-}
-
-scoped_refptr<base::SingleThreadTaskRunner>
-SystemPolicyRequestContext::GetNetworkTaskRunner() const {
-  return system_context_getter_->GetNetworkTaskRunner();
-}
-
-}  // namespace policy