Add EffectiveConnectionType enum to the system profile proto

ios/chrome/browser/metrics/ios_chrome_metrics_service_client.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 "ios/chrome/browser/metrics/ios_chrome_metrics_service_client.h"
 
 #include <stdint.h>
 
 #include <utility>
 #include <vector>
@@ skipping 171 matching lines @@
 }
 
 void IOSChromeMetricsServiceClient::Initialize() {
   metrics_service_.reset(new metrics::MetricsService(
       metrics_state_manager_, this, GetApplicationContext()->GetLocalState()));
 
   // Register metrics providers.
   metrics_service_->RegisterMetricsProvider(
       std::unique_ptr<metrics::MetricsProvider>(
           new metrics::NetworkMetricsProvider(
+              nullptr /* network_quality_task_runner */,
+              nullptr /* network_quality_estimator_provider */,
               web::WebThread::GetBlockingPool())));
 
   // Currently, we configure OmniboxMetricsProvider to not log events to UMA
   // if there is a single incognito session visible. In the future, it may
   // be worth revisiting this to still log events from non-incognito sessions.
   metrics_service_->RegisterMetricsProvider(
       std::unique_ptr<metrics::MetricsProvider>(new OmniboxMetricsProvider(
           base::Bind(&::IsOffTheRecordSessionActive))));
 
   stability_metrics_provider_ = new IOSChromeStabilityMetricsProvider(
@@ skipping 109 matching lines @@
 
 void IOSChromeMetricsServiceClient::OnURLOpenedFromOmnibox(OmniboxLog* log) {
   metrics_service_->OnApplicationNotIdle();
 }
 
 metrics::EnableMetricsDefault
 IOSChromeMetricsServiceClient::GetMetricsReportingDefaultState() {
   return metrics::GetMetricsReportingDefaultState(
       GetApplicationContext()->GetLocalState());
 }