[Cronet] Use Https for Quic Test Server

components/cronet/url_request_context_config.h

Index: components/cronet/url_request_context_config.h
diff --git a/components/cronet/url_request_context_config.h b/components/cronet/url_request_context_config.h
index d21cc409474a0b64c8d03a74b630b9ece7d3ce32..d28153521174c5df0cb4078ab4c1564dc980dfe6 100644
--- a/components/cronet/url_request_context_config.h
+++ b/components/cronet/url_request_context_config.h
@@ -12,6 +12,7 @@
 #include "base/memory/scoped_vector.h"
 
 namespace net {
+class CertVerifier;
 class URLRequestContextBuilder;
 }  // namespace net
 
@@ -82,6 +83,9 @@ struct URLRequestContextConfig {
   std::string data_reduction_fallback_proxy;
   std::string data_reduction_secure_proxy_check_url;
 
+  // For testing. Owned by Java.
+  net::CertVerifier* mock_cert_verifier;
+
  private:
   DISALLOW_COPY_AND_ASSIGN(URLRequestContextConfig);
 };