Expose changes in the network quality to the renderers

chrome/browser/io_thread.cc

 // Copyright (c) 2012 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/browser/io_thread.h"
 
 #include <utility>
 #include <vector>
 
 #include "base/base64.h"
@@ skipping 43 matching lines @@
 #include "components/network_session_configurator/network_session_configurator.h"
 #include "components/policy/core/common/policy_service.h"
 #include "components/policy/policy_constants.h"
 #include "components/prefs/pref_registry_simple.h"
 #include "components/prefs/pref_service.h"
 #include "components/proxy_config/pref_proxy_config_tracker.h"
 #include "components/variations/variations_associated_data.h"
 #include "components/version_info/version_info.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/cookie_store_factory.h"
+#include "content/public/browser/network_quality_observer_factory.h"
 #include "content/public/common/content_features.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/user_agent.h"
 #include "extensions/features/features.h"
 #include "net/base/host_mapping_rules.h"
 #include "net/base/logging_network_change_observer.h"
 #include "net/base/sdch_manager.h"
 #include "net/cert/caching_cert_verifier.h"
 #include "net/cert/cert_verifier.h"
 #include "net/cert/cert_verify_proc.h"
 #include "net/cert/ct_known_logs.h"
 #include "net/cert/ct_log_verifier.h"
 #include "net/cert/ct_policy_enforcer.h"
 #include "net/cert/ct_verifier.h"
 #include "net/cert/multi_log_ct_verifier.h"
 #include "net/cert/multi_threaded_cert_verifier.h"
 #include "net/cert/sth_distributor.h"
 #include "net/cert/sth_observer.h"
 #include "net/cookies/cookie_store.h"
 #include "net/dns/host_cache.h"
 #include "net/dns/host_resolver.h"
 #include "net/dns/mapped_host_resolver.h"
 #include "net/http/http_auth_filter.h"
 #include "net/http/http_auth_handler_factory.h"
 #include "net/http/http_auth_preferences.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_server_properties_impl.h"
 #include "net/net_features.h"
 #include "net/nqe/external_estimate_provider.h"
-#include "net/nqe/network_quality_estimator.h"
 #include "net/nqe/network_quality_estimator_params.h"
 #include "net/proxy/proxy_config_service.h"
 #include "net/proxy/proxy_script_fetcher_impl.h"
 #include "net/proxy/proxy_service.h"
 #include "net/quic/chromium/quic_utils_chromium.h"
 #include "net/socket/ssl_client_socket.h"
 #include "net/socket/tcp_client_socket.h"
 #include "net/ssl/channel_id_service.h"
 #include "net/ssl/default_channel_id_store.h"
 #include "net/url_request/data_protocol_handler.h"
@@ skipping 472 matching lines @@
 
   std::unique_ptr<net::ExternalEstimateProvider> external_estimate_provider;
 #if defined(OS_ANDROID)
   external_estimate_provider.reset(
       new chrome::android::ExternalEstimateProviderAndroid());
 #endif  // defined(OS_ANDROID)
   // Pass ownership.
   globals_->network_quality_estimator.reset(new net::NetworkQualityEstimator(
       std::move(external_estimate_provider), network_quality_estimator_params,
       net_log_));
+  globals_->network_quality_observer = content::CreateNetworkQualityObserver(
+      globals_->network_quality_estimator.get());
 
   UpdateDnsClientEnabled();
 #if defined(OS_CHROMEOS)
   // Creates a CertVerifyProc that doesn't allow any profile-provided certs.
   globals_->cert_verifier = base::MakeUnique<net::CachingCertVerifier>(
       base::MakeUnique<net::MultiThreadedCertVerifier>(
           new chromeos::CertVerifyProcChromeOS()));
 #else
   globals_->cert_verifier = net::CertVerifier::CreateDefault();
 #endif
@@ skipping 517 matching lines @@
 
   // TODO(rtenneti): We should probably use HttpServerPropertiesManager for the
   // system URLRequestContext too. There's no reason this should be tied to a
   // profile.
   return context;
 }
 
 metrics::UpdateUsagePrefCallbackType IOThread::GetMetricsDataUseForwarder() {
   return base::Bind(&UpdateMetricsUsagePrefsOnUIThread);
 }