[Cronet] Hook up library loader, system proxy and network change notifier to async api.

components/cronet/android/url_request_context_adapter.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 "components/cronet/android/url_request_context_adapter.h"
 
 #include <limits>
 
 #include "base/bind.h"
 #include "base/files/file_util.h"
@@ skipping 12 matching lines @@
 #include "net/http/http_server_properties.h"
 #include "net/proxy/proxy_service.h"
 #include "net/ssl/ssl_config_service_defaults.h"
 #include "net/url_request/static_http_user_agent_settings.h"
 #include "net/url_request/url_request_context_builder.h"
 #include "net/url_request/url_request_context_storage.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 
 namespace {
 
-// MessageLoop on the main thread, which is where objects that receive Java
-// notifications generally live.
-base::MessageLoop* g_main_message_loop = nullptr;
-
-net::NetworkChangeNotifier* g_network_change_notifier = nullptr;
-
 class BasicNetworkDelegate : public net::NetworkDelegateImpl {
  public:
   BasicNetworkDelegate() {}
   ~BasicNetworkDelegate() override {}
 
  private:
   // net::NetworkDelegate implementation.
   int OnBeforeURLRequest(net::URLRequest* request,
                          const net::CompletionCallback& callback,
                          GURL* new_url) override {
@@ skipping 81 matching lines @@
 void URLRequestContextAdapter::Initialize(
     scoped_ptr<URLRequestContextConfig> config) {
   network_thread_ = new base::Thread("network");
   base::Thread::Options options;
   options.message_loop_type = base::MessageLoop::TYPE_IO;
   network_thread_->StartWithOptions(options);
   config_ = config.Pass();
 }
 
 void URLRequestContextAdapter::InitRequestContextOnMainThread() {
-  if (!base::MessageLoop::current()) {
-    DCHECK(!g_main_message_loop);
-    g_main_message_loop = new base::MessageLoopForUI();
-    base::MessageLoopForUI::current()->Start();
-  }
-  DCHECK_EQ(g_main_message_loop, base::MessageLoop::current());
-  if (!g_network_change_notifier) {
-    net::NetworkChangeNotifier::SetFactory(
-        new net::NetworkChangeNotifierFactoryAndroid());
-    g_network_change_notifier = net::NetworkChangeNotifier::Create();
-  }
   proxy_config_service_.reset(net::ProxyService::CreateSystemProxyConfigService(
       GetNetworkTaskRunner(), NULL));
   GetNetworkTaskRunner()->PostTask(
       FROM_HERE,
       base::Bind(&URLRequestContextAdapter::InitRequestContextOnNetworkThread,
                  this));
 }
 
 void URLRequestContextAdapter::InitRequestContextOnNetworkThread() {
   DCHECK(GetNetworkTaskRunner()->BelongsToCurrentThread());
@@ skipping 152 matching lines @@
     net_log_logger_.reset();
   }
 }
 
 void NetLogObserver::OnAddEntry(const net::NetLog::Entry& entry) {
   VLOG(2) << "Net log entry: type=" << entry.type()
           << ", source=" << entry.source().type << ", phase=" << entry.phase();
 }
 
 }  // namespace cronet