Rename QuicSession::GetCryptoStream() to GetMutableCryptoStream(). Add a const GetCryptoStream(). M…

net/quic/core/quic_session.cc

Index: net/quic/core/quic_session.cc
diff --git a/net/quic/core/quic_session.cc b/net/quic/core/quic_session.cc
index dba6c46b25c5e382a541af587ff1829e66c7e457..28d256bc30b77480fbf4f390702de54164f21dab 100644
--- a/net/quic/core/quic_session.cc
+++ b/net/quic/core/quic_session.cc
@@ -50,8 +50,8 @@ void QuicSession::Initialize() {
   connection_->set_visitor(this);
   connection_->SetFromConfig(config_);
 
-  DCHECK_EQ(kCryptoStreamId, GetCryptoStream()->id());
-  static_stream_map_[kCryptoStreamId] = GetCryptoStream();
+  DCHECK_EQ(kCryptoStreamId, GetMutableCryptoStream()->id());
+  static_stream_map_[kCryptoStreamId] = GetMutableCryptoStream();
 }
 
 QuicSession::~QuicSession() {
@@ -295,7 +295,7 @@ QuicConsumedData QuicSession::WritevData(
   // it might end up resulting in unencrypted stream data being sent.
   // While this is impossible to avoid given sufficient corruption, this
   // seems like a reasonable mitigation.
-  if (id == kCryptoStreamId && stream != GetCryptoStream()) {
+  if (id == kCryptoStreamId && stream != GetMutableCryptoStream()) {
     QUIC_BUG << "Stream id mismatch";
     connection_->CloseConnection(
         QUIC_INTERNAL_ERROR,
@@ -425,11 +425,11 @@ void QuicSession::UpdateFlowControlOnFinalReceivedByteOffset(
   }
 }
 
-bool QuicSession::IsEncryptionEstablished() {
+bool QuicSession::IsEncryptionEstablished() const {
   return GetCryptoStream()->encryption_established();
 }
 
-bool QuicSession::IsCryptoHandshakeConfirmed() {
+bool QuicSession::IsCryptoHandshakeConfirmed() const {
   return GetCryptoStream()->handshake_confirmed();
 }