Respect QuicAllowed policy for new streams

chrome/browser/profiles/off_the_record_profile_impl.h

Index: chrome/browser/profiles/off_the_record_profile_impl.h
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.h b/chrome/browser/profiles/off_the_record_profile_impl.h
index 5010e97fdfd8d2edce72603aa5da44e5b33d0381..6cd4fd5cc261ee40f20a50c6b4361bc623b642e0 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.h
+++ b/chrome/browser/profiles/off_the_record_profile_impl.h
@@ -9,6 +9,7 @@
 
 #include "base/macros.h"
 #include "build/build_config.h"
+#include "chrome/browser/net/net_pref_observer.h"
 #include "chrome/browser/profiles/off_the_record_profile_io_data.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_list.h"
@@ -122,12 +123,18 @@ class OffTheRecordProfileImpl : public Profile {
       const content::HostZoomMap::ZoomLevelChange& change);
   void UpdateDefaultZoomLevel();
 
+  // Called on UI thread thread when net parameters change (e.g. due to policy).
+  void UpdateNetParams(NetPrefObserver::NetParamsChange net_params_change);
+
   // The real underlying profile.
   Profile* profile_;
 
   // Weak pointer owned by |profile_|.
   sync_preferences::PrefServiceSyncable* prefs_;
 
+  // Observes |prefs_| for net parameter changes.
+  std::unique_ptr<NetPrefObserver> net_pref_observer_;
+
   std::unique_ptr<content::HostZoomMap::Subscription> track_zoom_subscription_;
   std::unique_ptr<ChromeZoomLevelPrefs::DefaultZoomLevelSubscription>
       parent_default_zoom_level_subscription_;