Respect QuicAllowed policy for new streams

chrome/browser/safe_browsing/safe_browsing_service.h

Index: chrome/browser/safe_browsing/safe_browsing_service.h
diff --git a/chrome/browser/safe_browsing/safe_browsing_service.h b/chrome/browser/safe_browsing/safe_browsing_service.h
index 666d7aacaeb6124b377c49efd443836bcd46832e..07b97413901be99de79430e8ed362daed3eef9a8 100644
--- a/chrome/browser/safe_browsing/safe_browsing_service.h
+++ b/chrome/browser/safe_browsing/safe_browsing_service.h
@@ -124,6 +124,11 @@ class SafeBrowsingService : public base::RefCountedThreadSafe<
 
   scoped_refptr<net::URLRequestContextGetter> url_request_context();
 
+  // Called on IO thread thread when QUIC should be disabled (e.g. because of
+  // policy). This should not be necessary anymore when http://crbug.com/678653
+  // is implemented.
+  void DisableQuicOnIOThread();
+
   const scoped_refptr<SafeBrowsingUIManager>& ui_manager() const;
 
   // This returns either the v3 or the v4 database manager, depending on