Created a new process type called the service process to host background tasks such as the Cloud Print Proxy.

BUG=None.
TEST=None.
Review URL: http://codereview.chromium.org/2001009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@47055 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 133 insertions, 0 deletions

diff --git a/chrome/service/net/service_url_request_context.cc b/chrome/service/net/service_url_request_context.cc
new file mode 100644
index 0000000..ab5e61a
--- /dev/null
+++ b/chrome/service/net/service_url_request_context.cc
@@ -0,0 +1,55 @@
+// Copyright (c) 2010 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/service/net/service_url_request_context.h"
+
+#include "chrome/service/service_process.h"
+#include "net/base/cookie_monster.h"
+#include "net/base/cookie_policy.h"
+#include "net/base/host_resolver.h"
+#include "net/base/ssl_config_service_defaults.h"
+#include "net/ftp/ftp_network_layer.h"
+#include "net/http/http_auth_handler_factory.h"
+#include "net/http/http_cache.h"
+#include "net/http/http_network_layer.h"
+#include "net/proxy/proxy_service.h"
+
+ServiceURLRequestContextGetter::ServiceURLRequestContextGetter()
+    : io_message_loop_proxy_(
+          g_service_process->io_thread()->message_loop_proxy()) {
+}
+
+ServiceURLRequestContext::ServiceURLRequestContext() {
+  host_resolver_ = net::CreateSystemHostResolver(NULL);
+  DCHECK(g_service_process);
+  // TODO(sanjeevr): Change CreateSystemProxyConfigService to accept a
+  // MessageLoopProxy* instead of MessageLoop*.
+  // Also this needs to be created on the UI thread on Linux. Fix this.
+  net::ProxyConfigService * proxy_config_service =
+      net::ProxyService::CreateSystemProxyConfigService(
+          g_service_process->io_thread()->message_loop(),
+          g_service_process->file_thread()->message_loop());
+  proxy_service_ = net::ProxyService::Create(proxy_config_service, false, this,
+                                             NULL, NULL, NULL);
+  ftp_transaction_factory_ = new net::FtpNetworkLayer(host_resolver_);
+  ssl_config_service_ = new net::SSLConfigServiceDefaults;
+  http_auth_handler_factory_ = net::HttpAuthHandlerFactory::CreateDefault();
+  http_transaction_factory_ = new net::HttpCache(
+      net::HttpNetworkLayer::CreateFactory(NULL, host_resolver_,
+                                           proxy_service_,
+                                           ssl_config_service_,
+                                           http_auth_handler_factory_),
+      disk_cache::CreateInMemoryCacheBackend(0));
+  // In-memory cookie store.
+  cookie_store_ = new net::CookieMonster(NULL, NULL);
+  accept_language_ = "en-us,fr";
+  accept_charset_ = "iso-8859-1,*,utf-8";
+}
+
+ServiceURLRequestContext::~ServiceURLRequestContext() {
+  delete ftp_transaction_factory_;
+  delete http_transaction_factory_;
+  delete http_auth_handler_factory_;
+}
+
diff --git a/chrome/service/net/service_url_request_context.h b/chrome/service/net/service_url_request_context.h
new file mode 100644
index 0000000..90c9733
--- /dev/null
+++ b/chrome/service/net/service_url_request_context.h
@@ -0,0 +1,78 @@
+// Copyright (c) 2010 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.
+
+#ifndef CHROME_SERVICE_NET_SERVICE_URL_REQUEST_CONTEXT_H_
+#define CHROME_SERVICE_NET_SERVICE_URL_REQUEST_CONTEXT_H_
+
+#include <string>
+
+#include "base/message_loop_proxy.h"
+#include "chrome/common/net/url_request_context_getter.h"
+#include "net/base/cookie_monster.h"
+#include "net/base/cookie_policy.h"
+#include "net/base/host_resolver.h"
+#include "net/base/ssl_config_service_defaults.h"
+#include "net/disk_cache/disk_cache.h"
+#include "net/ftp/ftp_network_layer.h"
+#include "net/http/http_auth_handler_factory.h"
+#include "net/http/http_cache.h"
+#include "net/http/http_network_layer.h"
+#include "net/proxy/proxy_service.h"
+#include "net/url_request/url_request_context.h"
+
+// Subclass of URLRequestContext which can be used to store extra information
+// for requests. This subclass is meant to be used in the service process where
+// the profile is not available.
+//
+class ServiceURLRequestContext : public URLRequestContext {
+ public:
+  ServiceURLRequestContext();
+  void set_cookie_policy(net::CookiePolicy* policy) {
+    cookie_policy_ = policy;
+  }
+  void set_user_agent(const std::string& ua) {
+    user_agent_ = ua;
+  }
+
+  // URLRequestContext overrides
+  virtual const std::string& GetUserAgent(const GURL& url) const {
+    // If the user agent is set explicitly return that, otherwise call the
+    // base class method to return default value.
+    return user_agent_.empty() ?
+        URLRequestContext::GetUserAgent(url) : user_agent_;
+  }
+
+ protected:
+  virtual ~ServiceURLRequestContext();
+
+ private:
+  std::string user_agent_;
+};
+
+class ServiceURLRequestContextGetter : public URLRequestContextGetter {
+ public:
+  ServiceURLRequestContextGetter();
+
+  virtual URLRequestContext* GetURLRequestContext() {
+    if (!url_request_context_)
+      url_request_context_ = new ServiceURLRequestContext();
+    return url_request_context_;
+  }
+  virtual scoped_refptr<base::MessageLoopProxy> GetIOMessageLoopProxy() {
+    return io_message_loop_proxy_;
+  }
+
+  void set_user_agent(const std::string& ua) {
+    user_agent_ = ua;
+  }
+ private:
+  ~ServiceURLRequestContextGetter() {}
+
+  std::string user_agent_;
+  scoped_refptr<URLRequestContext> url_request_context_;
+  scoped_refptr<base::MessageLoopProxy> io_message_loop_proxy_;
+};
+
+#endif  // CHROME_SERVICE_NET_SERVICE_URL_REQUEST_CONTEXT_H_
+