Fix object-lifetime issues in async GetProof callpaths

net/quic/test_tools/crypto_test_utils.cc

Index: net/quic/test_tools/crypto_test_utils.cc
diff --git a/net/quic/test_tools/crypto_test_utils.cc b/net/quic/test_tools/crypto_test_utils.cc
index dd664c8c126dd85f77ea47552a3f1e566fdc44b6..7a6d36d22bab7e86f3296e9f0b0f8c44f3f741c6 100644
--- a/net/quic/test_tools/crypto_test_utils.cc
+++ b/net/quic/test_tools/crypto_test_utils.cc
@@ -278,7 +278,7 @@ class FullChloGenerator {
                     IPAddress server_ip,
                     IPEndPoint client_addr,
                     const QuicClock* clock,
-                    QuicCryptoProof* proof,
+                    scoped_refptr<QuicCryptoProof> proof,
                     QuicCompressedCertsCache* compressed_certs_cache,
                     CryptoHandshakeMessage* out)
       : crypto_config_(crypto_config),
@@ -287,7 +287,8 @@ class FullChloGenerator {
         clock_(clock),
         proof_(proof),
         compressed_certs_cache_(compressed_certs_cache),
-        out_(out) {}
+        out_(out),
+        params_(new QuicCryptoNegotiatedParameters) {}
 
   class ValidateClientHelloCallback : public ValidateClientHelloResultCallback {
    public:
@@ -316,7 +317,7 @@ class FullChloGenerator {
         result_, /*reject_only=*/false, /*connection_id=*/1, server_ip_,
         client_addr_, AllSupportedVersions().front(), AllSupportedVersions(),
         /*use_stateless_rejects=*/true, /*server_designated_connection_id=*/0,
-        clock_, QuicRandom::GetInstance(), compressed_certs_cache_, &params_,
+        clock_, QuicRandom::GetInstance(), compressed_certs_cache_, params_,
         proof_, /*total_framing_overhead=*/50, kDefaultMaxPacketSize,
         GetProcessClientHelloCallback());
   }
@@ -371,11 +372,11 @@ class FullChloGenerator {
   IPAddress server_ip_;
   IPEndPoint client_addr_;
   const QuicClock* clock_;
-  QuicCryptoProof* proof_;
+  scoped_refptr<QuicCryptoProof> proof_;
   QuicCompressedCertsCache* compressed_certs_cache_;
   CryptoHandshakeMessage* out_;
 
-  QuicCryptoNegotiatedParameters params_;
+  scoped_refptr<QuicCryptoNegotiatedParameters> params_;
   scoped_refptr<ValidateClientHelloResultCallback::Result> result_;
 };
 
@@ -1005,7 +1006,7 @@ void CryptoTestUtils::GenerateFullCHLO(
     IPEndPoint client_addr,
     QuicVersion version,
     const QuicClock* clock,
-    QuicCryptoProof* proof,
+    scoped_refptr<QuicCryptoProof> proof,
     QuicCompressedCertsCache* compressed_certs_cache,
     CryptoHandshakeMessage* out) {
   // Pass a inchoate CHLO.