Upstream the iOS web_shell and supporting code

ios/web/shell/shell_url_request_context_getter.cc

Index: ios/web/shell/shell_url_request_context_getter.cc
diff --git a/ios/web/shell/shell_url_request_context_getter.cc b/ios/web/shell/shell_url_request_context_getter.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b091466357f20140ba7899c895d5f3840fb9e6f7
--- /dev/null
+++ b/ios/web/shell/shell_url_request_context_getter.cc
@@ -0,0 +1,159 @@
+// 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 "ios/web/shell/shell_url_request_context_getter.h"
+
+#include "base/base_paths.h"
+#include "base/logging.h"
+#include "base/memory/ref_counted.h"
+#include "base/path_service.h"
+#include "base/threading/worker_pool.h"
+#include "ios/net/cookies/cookie_store_ios.h"
+#include "ios/web/public/web_client.h"
+#include "ios/web/public/web_thread.h"
+#include "ios/web/shell/shell_network_delegate.h"
+#include "net/base/cache_type.h"
+#include "net/cert/cert_verifier.h"
+#include "net/dns/host_resolver.h"
+#include "net/extras/sqlite/sqlite_persistent_cookie_store.h"
+#include "net/http/http_auth_handler_factory.h"
+#include "net/http/http_cache.h"
+#include "net/http/http_network_session.h"
+#include "net/http/http_server_properties_impl.h"
+#include "net/http/transport_security_persister.h"
+#include "net/http/transport_security_state.h"
+#include "net/proxy/proxy_config_service_ios.h"
+#include "net/proxy/proxy_service.h"
+#include "net/ssl/channel_id_service.h"
+#include "net/ssl/default_channel_id_store.h"
+#include "net/ssl/ssl_config_service_defaults.h"
+#include "net/url_request/data_protocol_handler.h"
+#include "net/url_request/static_http_user_agent_settings.h"
+#include "net/url_request/url_request_context.h"
+#include "net/url_request/url_request_context_storage.h"
+#include "net/url_request/url_request_job_factory_impl.h"
+
+namespace web {
+
+ShellURLRequestContextGetter::ShellURLRequestContextGetter(
+    const base::FilePath& base_path,
+    const scoped_refptr<base::SingleThreadTaskRunner>& network_task_runner,
+    const scoped_refptr<base::SingleThreadTaskRunner>& file_task_runner,
+    const scoped_refptr<base::MessageLoopProxy>& cache_task_runner)
+    : base_path_(base_path),
+      file_task_runner_(file_task_runner),
+      network_task_runner_(network_task_runner),
+      cache_task_runner_(cache_task_runner),
+      proxy_config_service_(new net::ProxyConfigServiceIOS),
+      net_log_(new net::NetLog()) {
+}
+
+ShellURLRequestContextGetter::~ShellURLRequestContextGetter() {
+}
+
+net::URLRequestContext* ShellURLRequestContextGetter::GetURLRequestContext() {
+  DCHECK(network_task_runner_->BelongsToCurrentThread());
+
+  if (!url_request_context_) {
+    url_request_context_.reset(new net::URLRequestContext());
+    url_request_context_->set_net_log(net_log_.get());
+    DCHECK(!network_delegate_.get());
+    network_delegate_.reset(new ShellNetworkDelegate);
+    url_request_context_->set_network_delegate(network_delegate_.get());
+
+    storage_.reset(
+        new net::URLRequestContextStorage(url_request_context_.get()));
+
+    // Setup the cookie store.
+    base::FilePath cookie_path;
+    bool cookie_path_found = PathService::Get(base::DIR_APP_DATA, &cookie_path);
+    DCHECK(cookie_path_found);
+    cookie_path = cookie_path.Append("WebShell").Append("Cookies");
+    scoped_refptr<net::CookieMonster::PersistentCookieStore> persistent_store =
+        new net::SQLitePersistentCookieStore(
+            cookie_path, network_task_runner_,
+            web::WebThread::GetBlockingPool()->GetSequencedTaskRunner(
+                web::WebThread::GetBlockingPool()->GetSequenceToken()),
+            true, nullptr);
+    scoped_refptr<net::CookieStoreIOS> cookie_store =
+        new net::CookieStoreIOS(persistent_store.get());
+    storage_->set_cookie_store(cookie_store.get());
+    net::CookieStoreIOS::SwitchSynchronizedStore(nullptr, cookie_store.get());
+
+    std::string user_agent = web::GetWebClient()->GetUserAgent(false);
+    storage_->set_http_user_agent_settings(
+        new net::StaticHttpUserAgentSettings("en-us,en", user_agent));
+    storage_->set_proxy_service(
+        net::ProxyService::CreateUsingSystemProxyResolver(
+            proxy_config_service_.release(), 0,
+            url_request_context_->net_log()));
+    storage_->set_ssl_config_service(new net::SSLConfigServiceDefaults);
+    storage_->set_cert_verifier(net::CertVerifier::CreateDefault());
+
+    net::TransportSecurityState* transport_security_state =
+        new net::TransportSecurityState();
+    storage_->set_transport_security_state(transport_security_state);
+    transport_security_persister_.reset(new net::TransportSecurityPersister(
+        transport_security_state, base_path_, file_task_runner_, false));
+    storage_->set_channel_id_service(make_scoped_ptr(
+        new net::ChannelIDService(new net::DefaultChannelIDStore(nullptr),
+                                  base::WorkerPool::GetTaskRunner(true))));
+    storage_->set_http_server_properties(scoped_ptr<net::HttpServerProperties>(
+        new net::HttpServerPropertiesImpl()));
+
+    scoped_ptr<net::HostResolver> host_resolver(
+        net::HostResolver::CreateDefaultResolver(
+            url_request_context_->net_log()));
+    storage_->set_http_auth_handler_factory(
+        net::HttpAuthHandlerFactory::CreateDefault(host_resolver.get()));
+    storage_->set_host_resolver(host_resolver.Pass());
+
+    net::HttpNetworkSession::Params network_session_params;
+    network_session_params.cert_verifier =
+        url_request_context_->cert_verifier();
+    network_session_params.transport_security_state =
+        url_request_context_->transport_security_state();
+    network_session_params.channel_id_service =
+        url_request_context_->channel_id_service();
+    network_session_params.net_log = url_request_context_->net_log();
+    network_session_params.proxy_service =
+        url_request_context_->proxy_service();
+    network_session_params.ssl_config_service =
+        url_request_context_->ssl_config_service();
+    network_session_params.http_auth_handler_factory =
+        url_request_context_->http_auth_handler_factory();
+    network_session_params.network_delegate = network_delegate_.get();
+    network_session_params.http_server_properties =
+        url_request_context_->http_server_properties();
+    network_session_params.host_resolver =
+        url_request_context_->host_resolver();
+
+    base::FilePath cache_path = base_path_.Append(FILE_PATH_LITERAL("Cache"));
+    net::HttpCache::DefaultBackend* main_backend =
+        new net::HttpCache::DefaultBackend(net::DISK_CACHE,
+                                           net::CACHE_BACKEND_DEFAULT,
+                                           cache_path, 0, cache_task_runner_);
+
+    net::HttpCache* main_cache =
+        new net::HttpCache(network_session_params, main_backend);
+    storage_->set_http_transaction_factory(main_cache);
+
+    scoped_ptr<net::URLRequestJobFactoryImpl> job_factory(
+        new net::URLRequestJobFactoryImpl());
+    bool set_protocol =
+        job_factory->SetProtocolHandler("data", new net::DataProtocolHandler);
+    DCHECK(set_protocol);
+
+    storage_->set_job_factory(job_factory.release());
+  }
+
+  return url_request_context_.get();
+}
+
+scoped_refptr<base::SingleThreadTaskRunner>
+ShellURLRequestContextGetter::GetNetworkTaskRunner() const {
+  return network_task_runner_;
+}
+
+}  // namespace web