Respect QuicAllowed policy for new streams

chrome/browser/profiles/profile_impl.cc

Index: chrome/browser/profiles/profile_impl.cc
diff --git a/chrome/browser/profiles/profile_impl.cc b/chrome/browser/profiles/profile_impl.cc
index 9c4752f9e99322b3d7c62c50f15fe83525a7a52e..9136fdabfff5afbd247e8d0592f4fdb73a203d6d 100644
--- a/chrome/browser/profiles/profile_impl.cc
+++ b/chrome/browser/profiles/profile_impl.cc
@@ -44,6 +44,7 @@
 #include "chrome/browser/download/chrome_download_manager_delegate.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
+#include "chrome/browser/net/net_pref_observer.h"
 #include "chrome/browser/net/predictor.h"
 #include "chrome/browser/net/proxy_service_factory.h"
 #include "chrome/browser/permissions/permission_manager.h"
@@ -115,6 +116,7 @@
 #include "content/public/common/content_constants.h"
 #include "content/public/common/page_zoom.h"
 #include "extensions/features/features.h"
+#include "net/http/http_network_session.h"
 #include "ppapi/features/features.h"
 #include "printing/features/features.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -622,6 +624,12 @@ void ProfileImpl::DoFinalInit() {
                 session_cookie_mode, GetSpecialStoragePolicy(),
                 CreateDomainReliabilityMonitor(local_state));
 
+  DCHECK(!net_pref_observer_);
+  NetPrefObserver::UpdateNetParamsCallback update_net_params_callback =
+      base::Bind(&ProfileImpl::UpdateNetParams, base::Unretained(this));
+  net_pref_observer_ = base::MakeUnique<NetPrefObserver>(
+      prefs_.get(), update_net_params_callback);
+
 #if BUILDFLAG(ENABLE_PLUGINS)
   ChromePluginServiceFilter::GetInstance()->RegisterResourceContext(
       this, io_data_.GetResourceContextNoInit());
@@ -1282,3 +1290,8 @@ ProfileImpl::CreateDomainReliabilityMonitor(PrefService* local_state) {
   return service->CreateMonitor(
       BrowserThread::GetTaskRunnerForThread(BrowserThread::IO));
 }
+
+void ProfileImpl::UpdateNetParams(
+    NetPrefObserver::NetParamsChange net_params_change) {
+  io_data_.UpdateNetParams(net_params_change);
+}