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net/socket/ssl_session_cache_openssl.cc

Index: net/socket/ssl_session_cache_openssl.cc
diff --git a/net/socket/ssl_session_cache_openssl.cc b/net/socket/ssl_session_cache_openssl.cc
index d16bb8d6325ec6b105da7219d4e9ea9e5f6f4828..ae3c5a4a2cdbdd43c5064d107685a661ba44085b 100644
--- a/net/socket/ssl_session_cache_openssl.cc
+++ b/net/socket/ssl_session_cache_openssl.cc
@@ -236,6 +236,14 @@ class SSLSessionCacheOpenSSLImpl {
     return SSL_set_session(ssl, session) == 1;
   }
 
+  bool SSLSessionIsInCache(const std::string& cache_key) const {
+    base::AutoLock locked(lock_);
+    KeyIndex::const_iterator it = key_index_.find(cache_key);
+    if (it == key_index_.end())
+      return false;
+    return true;
+  }
+
   void MarkSSLSessionAsGood(SSL* ssl) {
     SSL_SESSION* session = SSL_get_session(ssl);
     if (!session)
@@ -469,7 +477,7 @@ class SSLSessionCacheOpenSSLImpl {
 
   // method to get the index which can later be used with SSL_CTX_get_ex_data()
   // or SSL_CTX_set_ex_data().
-  base::Lock lock_;  // Protects access to containers below.
+  mutable base::Lock lock_;  // Protects access to containers below.
 
   MRUSessionList ordering_;
   KeyIndex key_index_;
@@ -499,6 +507,11 @@ bool SSLSessionCacheOpenSSL::SetSSLSessionWithKey(
   return impl_->SetSSLSessionWithKey(ssl, cache_key);
 }
 
+bool SSLSessionCacheOpenSSL::SSLSessionIsInCache(
+    const std::string& cache_key) const {
+  return impl_->SSLSessionIsInCache(cache_key);
+}
+
 void SSLSessionCacheOpenSSL::MarkSSLSessionAsGood(SSL* ssl) {
   return impl_->MarkSSLSessionAsGood(ssl);
 }