Start the Physical Web scanner on Chrome start

ios/chrome/browser/ios_chrome_main_parts.mm

 // Copyright 2016 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/ios_chrome_main_parts.h"
 
 #include "base/base_switches.h"
 #include "base/feature_list.h"
 #include "base/files/file_path.h"
 #include "base/logging.h"
@@ skipping 21 matching lines @@
 #include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #include "ios/chrome/browser/browser_state/chrome_browser_state_manager.h"
 #include "ios/chrome/browser/chrome_paths.h"
 #include "ios/chrome/browser/chrome_switches.h"
 #include "ios/chrome/browser/chrome_url_constants.h"
 #import "ios/chrome/browser/first_run/first_run.h"
 #include "ios/chrome/browser/install_time_util.h"
 #include "ios/chrome/browser/ios_chrome_field_trials.h"
 #include "ios/chrome/browser/metrics/field_trial_synchronizer.h"
 #include "ios/chrome/browser/open_from_clipboard/create_clipboard_recent_content.h"
+#include "ios/chrome/browser/physical_web/start_physical_web_discovery.h"
 #include "ios/chrome/browser/pref_names.h"
 #include "ios/chrome/browser/translate/translate_service_ios.h"
 #include "ios/public/provider/chrome/browser/chrome_browser_provider.h"
 #include "ios/web/public/web_thread.h"
 #include "net/base/network_change_notifier.h"
 #include "net/http/http_network_layer.h"
 #include "net/http/http_stream_factory.h"
 #include "net/url_request/url_request.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 #include "ui/base/resource/resource_bundle.h"
@@ skipping 118 matching lines @@
   variations::VariationsService* variations_service =
       application_context_->GetVariationsService();
   if (variations_service) {
     variations_service->set_policy_pref_service(
         last_used_browser_state->GetPrefs());
     variations_service->StartRepeatedVariationsSeedFetch();
   }
 
   translate::TranslateDownloadManager::RequestLanguageList(
       last_used_browser_state->GetPrefs());
+
+  StartPhysicalWebDiscovery(last_used_browser_state->GetPrefs());
 }
 
 void IOSChromeMainParts::PostMainMessageLoopRun() {
   TranslateServiceIOS::Shutdown();
   application_context_->StartTearDown();
 }
 
 void IOSChromeMainParts::PostDestroyThreads() {
   application_context_->PostDestroyThreads();
 }
@@ skipping 66 matching lines @@
 
 void IOSChromeMainParts::StartMetricsRecording() {
   bool wifiOnly = local_state_->GetBoolean(prefs::kMetricsReportingWifiOnly);
   bool isConnectionCellular = net::NetworkChangeNotifier::IsConnectionCellular(
       net::NetworkChangeNotifier::GetConnectionType());
   bool mayUpload = !wifiOnly || !isConnectionCellular;
 
   application_context_->GetMetricsServicesManager()->UpdateUploadPermissions(
       mayUpload);
 }