Remove mojo network service.

mojo/services/network/network_context.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 "mojo/services/network/network_context.h"
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <algorithm>
-#include <utility>
-#include <vector>
-
-#include "base/base_paths.h"
-#include "base/bind.h"
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "base/macros.h"
-#include "base/path_service.h"
-#include "base/strings/string_number_conversions.h"
-#include "mojo/common/user_agent.h"
-#include "mojo/services/network/url_loader_impl.h"
-#include "net/cookies/cookie_monster.h"
-#include "net/dns/host_resolver.h"
-#include "net/dns/mapped_host_resolver.h"
-#include "net/log/net_log_util.h"
-#include "net/log/write_to_file_net_log_observer.h"
-#include "net/proxy/proxy_service.h"
-#include "net/ssl/channel_id_service.h"
-#include "net/url_request/url_request_context.h"
-#include "net/url_request/url_request_context_builder.h"
-
-namespace mojo {
-
-namespace {
-// Applies the specified mapping rules when resolving hosts. Please see the
-// comment of net::MappedHostResolver::AddRulesFromString() for rule format.
-const char kHostResolverRules[] = "host-resolver-rules";
-
-// Ignores certificate-related errors.
-const char kIgnoreCertificateErrors[] = "ignore-certificate-errors";
-
-// Logs network information to the specified file.
-const char kLogNetLog[] = "log-net-log";
-
-// Allows for forcing socket connections to HTTP/HTTPS to use fixed ports.
-const char kTestingFixedHttpPort[] = "testing-fixed-http-port";
-const char kTestingFixedHttpsPort[] = "testing-fixed-https-port";
-
-uint16_t GetPortNumber(const base::CommandLine& command_line,
-                       const base::StringPiece& switch_name) {
-  std::string port_str = command_line.GetSwitchValueASCII(switch_name);
-  unsigned port;
-  if (!base::StringToUint(port_str, &port) || port > 65535) {
-    LOG(ERROR) << "Invalid value for switch " << switch_name << ": '"
-               << port_str << "' is not a valid port number.";
-    return 0;
-  }
-  return static_cast<uint16_t>(port);
-}
-
-}  // namespace
-
-class NetworkContext::MojoNetLog : public net::NetLog {
- public:
-  MojoNetLog() {
-    const base::CommandLine* command_line =
-        base::CommandLine::ForCurrentProcess();
-    if (!command_line->HasSwitch(kLogNetLog))
-      return;
-
-    base::FilePath log_path = command_line->GetSwitchValuePath(kLogNetLog);
-    base::ScopedFILE file;
-#if defined(OS_WIN)
-    file.reset(_wfopen(log_path.value().c_str(), L"w"));
-#elif defined(OS_POSIX)
-    file.reset(fopen(log_path.value().c_str(), "w"));
-#endif
-    if (!file) {
-      LOG(ERROR) << "Could not open file " << log_path.value()
-                 << " for net logging";
-    } else {
-      write_to_file_observer_.reset(new net::WriteToFileNetLogObserver());
-      write_to_file_observer_->set_capture_mode(
-          net::NetLogCaptureMode::IncludeCookiesAndCredentials());
-      write_to_file_observer_->StartObserving(this, std::move(file), nullptr,
-                                              nullptr);
-    }
-  }
-
-  ~MojoNetLog() override {
-    if (write_to_file_observer_)
-      write_to_file_observer_->StopObserving(nullptr);
-  }
-
- private:
-  scoped_ptr<net::WriteToFileNetLogObserver> write_to_file_observer_;
-
-  DISALLOW_COPY_AND_ASSIGN(MojoNetLog);
-};
-
-NetworkContext::NetworkContext(
-    scoped_ptr<net::URLRequestContext> url_request_context)
-    : net_log_(new MojoNetLog),
-      url_request_context_(std::move(url_request_context)),
-      in_shutdown_(false) {
-  url_request_context_->set_net_log(net_log_.get());
-}
-
-NetworkContext::NetworkContext(
-    const base::FilePath& base_path,
-    NetworkServiceDelegate* delegate)
-    : NetworkContext(MakeURLRequestContext(base_path, delegate)) {
-}
-
-NetworkContext::~NetworkContext() {
-  in_shutdown_ = true;
-  // TODO(darin): Be careful about destruction order of member variables?
-
-  // Call each URLLoaderImpl and ask it to release its net::URLRequest, as the
-  // corresponding net::URLRequestContext is going away with this
-  // NetworkContext. The loaders can be deregistering themselves in Cleanup(),
-  // so iterate over a copy.
-  for (auto& url_loader : url_loaders_) {
-    url_loader->Cleanup();
-  }
-}
-
-void NetworkContext::RegisterURLLoader(URLLoaderImpl* url_loader) {
-  DCHECK(url_loaders_.count(url_loader) == 0);
-  url_loaders_.insert(url_loader);
-}
-
-void NetworkContext::DeregisterURLLoader(URLLoaderImpl* url_loader) {
-  if (!in_shutdown_) {
-    size_t removed_count = url_loaders_.erase(url_loader);
-    DCHECK(removed_count);
-  }
-}
-
-size_t NetworkContext::GetURLLoaderCountForTesting() {
-  return url_loaders_.size();
-}
-
-// static
-scoped_ptr<net::URLRequestContext> NetworkContext::MakeURLRequestContext(
-    const base::FilePath& base_path,
-    NetworkServiceDelegate* delegate) {
-  net::URLRequestContextBuilder builder;
-  net::URLRequestContextBuilder::HttpNetworkSessionParams params;
-  const base::CommandLine* command_line =
-      base::CommandLine::ForCurrentProcess();
-  if (command_line->HasSwitch(kIgnoreCertificateErrors))
-    params.ignore_certificate_errors = true;
-  if (command_line->HasSwitch(kTestingFixedHttpPort)) {
-    params.testing_fixed_http_port =
-        GetPortNumber(*command_line, kTestingFixedHttpPort);
-  }
-  if (command_line->HasSwitch(kTestingFixedHttpsPort)) {
-    params.testing_fixed_https_port =
-        GetPortNumber(*command_line, kTestingFixedHttpsPort);
-  }
-  builder.set_http_network_session_params(params);
-
-  if (command_line->HasSwitch(kHostResolverRules)) {
-    scoped_ptr<net::HostResolver> host_resolver(
-        net::HostResolver::CreateDefaultResolver(nullptr));
-    scoped_ptr<net::MappedHostResolver> remapped_host_resolver(
-        new net::MappedHostResolver(std::move(host_resolver)));
-    remapped_host_resolver->SetRulesFromString(
-        command_line->GetSwitchValueASCII(kHostResolverRules));
-    builder.set_host_resolver(std::move(remapped_host_resolver));
-  }
-
-  builder.set_accept_language("en-us,en");
-  builder.set_user_agent(mojo::common::GetUserAgent());
-  builder.set_proxy_service(net::ProxyService::CreateDirect());
-  builder.set_transport_security_persister_path(base_path);
-
-  net::URLRequestContextBuilder::HttpCacheParams cache_params;
-#if defined(OS_ANDROID)
-  // On Android, we store the cache on disk becase we can run only a single
-  // instance of the shell at a time.
-  cache_params.type = net::URLRequestContextBuilder::HttpCacheParams::DISK;
-  cache_params.path = base_path.Append(FILE_PATH_LITERAL("Cache"));
-#else
-  // On desktop, we store the cache in memory so we can run many shells
-  // in parallel when running tests, otherwise the network services in each
-  // shell will corrupt the disk cache.
-  cache_params.type = net::URLRequestContextBuilder::HttpCacheParams::IN_MEMORY;
-#endif
-
-  builder.EnableHttpCache(cache_params);
-  builder.set_file_enabled(true);
-
-  return builder.Build();
-}
-
-}  // namespace mojo