Delete Cronet Data Reduction Proxy integration

components/cronet/android/cronet_data_reduction_proxy.cc

-// Copyright 2015 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 "components/cronet/android/cronet_data_reduction_proxy.h"
-
-#include <utility>
-
-#include "base/command_line.h"
-#include "base/logging.h"
-#include "base/memory/ptr_util.h"
-#include "base/single_thread_task_runner.h"
-#include "components/cronet/android/cronet_in_memory_pref_store.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_compression_stats.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_delegate.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_io_data.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_network_delegate.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_prefs.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_request_options.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_service.h"
-#include "components/data_reduction_proxy/core/browser/data_reduction_proxy_settings.h"
-#include "components/data_reduction_proxy/core/browser/data_store.h"
-#include "components/data_reduction_proxy/core/common/data_reduction_proxy_params.h"
-#include "components/data_reduction_proxy/core/common/data_reduction_proxy_switches.h"
-#include "components/prefs/pref_registry_simple.h"
-#include "components/prefs/pref_service.h"
-#include "components/prefs/pref_service_factory.h"
-#include "net/url_request/url_request_context_getter.h"
-#include "net/url_request/url_request_interceptor.h"
-
-namespace cronet {
-namespace {
-
-// Name of the preference that governs enabling the Data Reduction Proxy.
-const char kDataReductionProxyEnabled[] = "data_reduction_proxy.enabled";
-
-std::unique_ptr<PrefService> CreatePrefService() {
-  scoped_refptr<PrefRegistrySimple> pref_registry(new PrefRegistrySimple());
-  pref_registry->RegisterBooleanPref(kDataReductionProxyEnabled, false);
-  data_reduction_proxy::RegisterSimpleProfilePrefs(pref_registry.get());
-  PrefServiceFactory pref_service_factory;
-  pref_service_factory.set_user_prefs(
-      make_scoped_refptr(new CronetInMemoryPrefStore()));
-  std::unique_ptr<PrefService> pref_service =
-      pref_service_factory.Create(pref_registry.get());
-  pref_registry = nullptr;
-  return pref_service;
-}
-
-// TODO(bengr): Apply test configurations directly, instead of via the
-// command line.
-void AddOptionsToCommandLine(const std::string& primary_proxy,
-                             const std::string& fallback_proxy,
-                             const std::string& secure_proxy_check_url,
-                             base::CommandLine* command_line) {
-  DCHECK((primary_proxy.empty() && fallback_proxy.empty() &&
-      secure_proxy_check_url.empty()) ||
-          (!primary_proxy.empty() && !fallback_proxy.empty() &&
-              !secure_proxy_check_url.empty()));
-  if (primary_proxy.empty())
-    return;
-  command_line->AppendSwitchASCII(
-      data_reduction_proxy::switches::kDataReductionProxy, primary_proxy);
-  command_line->AppendSwitchASCII(
-      data_reduction_proxy::switches::kDataReductionProxyFallback,
-      fallback_proxy);
-  command_line->AppendSwitchASCII(
-      data_reduction_proxy::switches::kDataReductionProxySecureProxyCheckURL,
-      secure_proxy_check_url);
-}
-
-}  // namespace
-
-CronetDataReductionProxy::CronetDataReductionProxy(
-    const std::string& key,
-    const std::string& primary_proxy,
-    const std::string& fallback_proxy,
-    const std::string& secure_proxy_check_url,
-    const std::string& user_agent,
-    scoped_refptr<base::SingleThreadTaskRunner> task_runner,
-    net::NetLog* net_log)
-    : task_runner_(task_runner) {
-  DCHECK(task_runner_->BelongsToCurrentThread());
-  AddOptionsToCommandLine(primary_proxy, fallback_proxy, secure_proxy_check_url,
-                          base::CommandLine::ForCurrentProcess());
-  prefs_ = CreatePrefService();
-  // In Cronet, the Data Reduction Proxy's UI classes are Created on Cronet's
-  // network thread.
-  settings_.reset(
-      new data_reduction_proxy::DataReductionProxySettings());
-  io_data_.reset(new data_reduction_proxy::DataReductionProxyIOData(
-      data_reduction_proxy::Client::CRONET_ANDROID, 0, net_log, task_runner,
-      task_runner, false, user_agent, std::string()));
-  io_data_->request_options()->SetKeyOnIO(key);
-}
-
-CronetDataReductionProxy::~CronetDataReductionProxy() {
-  io_data_->ShutdownOnUIThread();
-}
-
-std::unique_ptr<net::NetworkDelegate>
-CronetDataReductionProxy::CreateNetworkDelegate(
-    std::unique_ptr<net::NetworkDelegate> wrapped_network_delegate) {
-  return io_data_->CreateNetworkDelegate(std::move(wrapped_network_delegate),
-                                         false /* No bypass UMA */);
-}
-
-std::unique_ptr<net::ProxyDelegate>
-CronetDataReductionProxy::CreateProxyDelegate() {
-  return io_data_->CreateProxyDelegate();
-}
-
-std::unique_ptr<net::URLRequestInterceptor>
-CronetDataReductionProxy::CreateInterceptor() {
-  return io_data_->CreateInterceptor();
-}
-
-void CronetDataReductionProxy::Init(bool enable,
-                                    net::URLRequestContext* context) {
-  url_request_context_getter_ =
-      new net::TrivialURLRequestContextGetter(
-          context, task_runner_);
-  std::unique_ptr<data_reduction_proxy::DataReductionProxyService>
-      data_reduction_proxy_service(
-          new data_reduction_proxy::DataReductionProxyService(
-              settings_.get(), prefs_.get(), url_request_context_getter_.get(),
-              base::MakeUnique<data_reduction_proxy::DataStore>(), task_runner_,
-              task_runner_, task_runner_, base::TimeDelta()));
-  io_data_->SetDataReductionProxyService(
-      data_reduction_proxy_service->GetWeakPtr());
-  settings_->InitDataReductionProxySettings(
-      kDataReductionProxyEnabled, prefs_.get(), io_data_.get(),
-      std::move(data_reduction_proxy_service));
-  settings_->SetDataReductionProxyEnabled(enable);
-  settings_->MaybeActivateDataReductionProxy(true);
-}
-
-}  // namespace cronet