Respect QuicAllowed policy for new streams

chrome/browser/profiles/profile_impl.h

Index: chrome/browser/profiles/profile_impl.h
diff --git a/chrome/browser/profiles/profile_impl.h b/chrome/browser/profiles/profile_impl.h
index fe82ff747a83c51ae4d766de95f40b9f4ebb8ba1..b62155e9d8e610d4c199fc9f59e3fbaa774a64ec 100644
--- a/chrome/browser/profiles/profile_impl.h
+++ b/chrome/browser/profiles/profile_impl.h
@@ -16,6 +16,7 @@
 #include "base/memory/ref_counted.h"
 #include "base/timer/timer.h"
 #include "build/build_config.h"
+#include "chrome/browser/net/net_pref_observer.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_impl_io_data.h"
 #include "chrome/browser/ui/zoom/chrome_zoom_level_prefs.h"
@@ -188,6 +189,9 @@ class ProfileImpl : public Profile {
 
   PrefProxyConfigTracker* CreateProxyConfigTracker();
 
+  // Called on UI thread thread when net parameters change (e.g. due to policy).
+  void UpdateNetParams(NetPrefObserver::NetParamsChange net_params_change);
+
   std::unique_ptr<domain_reliability::DomainReliabilityMonitor>
   CreateDomainReliabilityMonitor(PrefService* local_state);
 
@@ -217,8 +221,8 @@ class ProfileImpl : public Profile {
       pref_validation_delegate_;
 
   // Keep |prefs_| on top for destruction order because |extension_prefs_|,
-  // |io_data_| and others store pointers to |prefs_| and shall be destructed
-  // first.
+  // |net_pref_observer_|, |io_data_| and others store pointers to |prefs_| and
+  // shall be destructed first.
   scoped_refptr<user_prefs::PrefRegistrySyncable> pref_registry_;
   std::unique_ptr<sync_preferences::PrefServiceSyncable> prefs_;
   std::unique_ptr<sync_preferences::PrefServiceSyncable> otr_prefs_;
@@ -227,6 +231,7 @@ class ProfileImpl : public Profile {
   scoped_refptr<ExtensionSpecialStoragePolicy>
       extension_special_storage_policy_;
 #endif
+  std::unique_ptr<NetPrefObserver> net_pref_observer_;
   std::unique_ptr<ssl_config::SSLConfigServiceManager>
       ssl_config_service_manager_;