Teach mojo_shell how to load http URLs

mojo/loader/url_request_context_getter.cc

 // Copyright (c) 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 "mojo/loader/url_request_context_getter.h"
 #include "net/cookies/cookie_monster.h"
+#include "net/http/http_cache.h"
+#include "net/http/http_network_session.h"
+#include "net/http/http_server_properties_impl.h"
 #include "net/proxy/proxy_service.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_job_factory_impl.h"
 
 namespace mojo {
 namespace loader {
 
-URLRequestContextGetter::URLRequestContextGetter()
-  : net_log_(new net::NetLog()) {
+URLRequestContextGetter::URLRequestContextGetter(
+    base::SingleThreadTaskRunner* network_task_runner,
+    base::MessageLoopProxy* cache_task_runner)
+    : network_task_runner_(network_task_runner),
+      cache_task_runner_(cache_task_runner),
+      net_log_(new net::NetLog()) {
 }
 
 URLRequestContextGetter::~URLRequestContextGetter() {
 }
 
 net::URLRequestContext* URLRequestContextGetter::GetURLRequestContext() {
   if (!url_request_context_) {
     url_request_context_.reset(new net::URLRequestContext());
     url_request_context_->set_net_log(net_log_.get());
 
     storage_.reset(
         new net::URLRequestContextStorage(url_request_context_.get()));
 
     storage_->set_cookie_store(new net::CookieMonster(NULL, NULL));
+    storage_->set_http_user_agent_settings(
+        new net::StaticHttpUserAgentSettings("en-us,en", "Mojo/0.1"));
+
     storage_->set_proxy_service(net::ProxyService::CreateDirect());
     storage_->set_ssl_config_service(new net::SSLConfigServiceDefaults);
+    storage_->set_http_server_properties(
+        scoped_ptr<net::HttpServerProperties>(
+            new net::HttpServerPropertiesImpl()));
     storage_->set_host_resolver(net::HostResolver::CreateDefaultResolver(
         url_request_context_->net_log()));
 
+    net::HttpNetworkSession::Params network_session_params;
+    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_server_properties =
+        url_request_context_->http_server_properties();
+    network_session_params.host_resolver =
+        url_request_context_->host_resolver();
+
+    base::FilePath cache_path =
+        base::FilePath().Append(FILE_PATH_LITERAL("tmp/mojo/Cache"));

[abarth-chromium, 2013/10/18 01:20:45]

Where do we want to store the HTTP cache?

+
+    net::HttpCache::DefaultBackend* main_backend =
+        new net::HttpCache::DefaultBackend(
+            net::DISK_CACHE,
+            net::CACHE_BACKEND_DEFAULT,
+            cache_path,
+            0,
+            cache_task_runner_.get());
+
+    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());
     CHECK(set_protocol);
 
     storage_->set_job_factory(job_factory.release());
   }
 
   return url_request_context_.get();
 }
 
 scoped_refptr<base::SingleThreadTaskRunner>
 URLRequestContextGetter::GetNetworkTaskRunner() const {
-  // TODO(abarth): Move network requests to a background thread.
-  return base::MessageLoopProxy::current();
+  return network_task_runner_;
 }
 
 }  // namespace loader
 }  // namespace mojo