Apply HSTS rules to also upgrade ws:// -> wss:// if appropriate. This avoids

net/url_request/url_request_context.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // This class represents contextual information (cookies, cache, etc.)
 // that's useful when processing resource requests.
 // The class is reference-counted so that it can be cleaned up after any
 // requests that are using it have been completed.
 
 #ifndef NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_
@@ skipping 162 matching lines @@
   const std::string& referrer_charset() const { return referrer_charset_; }
   void set_referrer_charset(const std::string& charset) {
     referrer_charset_ = charset;
   }
 
   // Controls whether or not the URLRequestContext considers itself to be the
   // "main" URLRequestContext.
   bool is_main() const { return is_main_; }
   void set_is_main(bool is_main) { is_main_ = is_main; }
 
+  // Is SNI available in this request context?
+  bool IsSNIAvailable() const;
+
  protected:
   friend class base::RefCountedThreadSafe<URLRequestContext>;
 
   virtual ~URLRequestContext();
 
  private:
   // ---------------------------------------------------------------------------
   // Important: When adding any new members below, consider whether they need to
   // be added to CopyFrom.
   // ---------------------------------------------------------------------------
@@ skipping 30 matching lines @@
   // Important: When adding any new members below, consider whether they need to
   // be added to CopyFrom.
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(URLRequestContext);
 };
 
 }  // namespace net
 
 #endif  // NET_URL_REQUEST_URL_REQUEST_CONTEXT_H_