Adds std:: to stl types (#049)

net/quic/core/crypto/quic_crypto_client_config_test.cc

Index: net/quic/core/crypto/quic_crypto_client_config_test.cc
diff --git a/net/quic/core/crypto/quic_crypto_client_config_test.cc b/net/quic/core/crypto/quic_crypto_client_config_test.cc
index 0de1e1cf4eea47a8d7fd686803b6c854d8c69707..035b3dd43f244decc4f64e6d7dec7a78d06c1797 100644
--- a/net/quic/core/crypto/quic_crypto_client_config_test.cc
+++ b/net/quic/core/crypto/quic_crypto_client_config_test.cc
@@ -392,7 +392,7 @@ TEST(QuicCryptoClientConfigTest, ClearCachedStates) {
                              QuicWallTime::FromUNIXSeconds(0),
                              QuicWallTime::FromUNIXSeconds(future), &details);
 
-      vector<string> certs(1);
+      std::vector<string> certs(1);
       certs[0] = "Hello Cert for " + host;
       state->SetProof(certs, "cert_sct", "chlo_hash", "signature");
       state->set_source_address_token("TOKEN");