Respect QuicAllowed policy for new streams

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 176f283d7dc55148ea0475522f81686d5a5f6f64..de40e44c38a1d9667484378ae23b172c8cf8dfa3 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -32,6 +32,7 @@
 #include "chrome/browser/media/webrtc/media_stream_devices_controller.h"
 #include "chrome/browser/metrics/chrome_metrics_service_client.h"
 #include "chrome/browser/net/http_server_properties_manager_factory.h"
+#include "chrome/browser/net/net_pref_observer.h"
 #include "chrome/browser/net/nqe/ui_network_quality_estimator_service.h"
 #include "chrome/browser/net/prediction_options.h"
 #include "chrome/browser/net/predictor.h"
@@ -489,6 +490,7 @@ void RegisterProfilePrefs(user_prefs::PrefRegistrySyncable* registry) {
   MediaCaptureDevicesDispatcher::RegisterProfilePrefs(registry);
   MediaDeviceIDSalt::RegisterProfilePrefs(registry);
   MediaStreamDevicesController::RegisterProfilePrefs(registry);
+  NetPrefObserver::RegisterProfilePrefs(registry);
   ntp_snippets::BookmarkSuggestionsProvider::RegisterProfilePrefs(registry);
   ntp_snippets::ForeignSessionsSuggestionsProvider::RegisterProfilePrefs(
       registry);