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..2d0368173da653f3f1d5638a98e1835ff9e9a618 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"
@@ -613,6 +615,9 @@ void ProfileImpl::DoFinalInit() {
     session_cookie_mode = content::CookieStoreConfig::RESTORED_SESSION_COOKIES;
   }
 
+  DCHECK(!net_pref_observer_);
+  net_pref_observer_.reset(new NetPrefObserver(prefs_.get()));
+
   // Make sure we initialize the ProfileIOData after everything else has been
   // initialized that we might be reading from the IO thread.