Convert class-full-of-statics CryptoTestUtils into a namespace

net/quic/core/quic_crypto_stream_test.cc

Index: net/quic/core/quic_crypto_stream_test.cc
diff --git a/net/quic/core/quic_crypto_stream_test.cc b/net/quic/core/quic_crypto_stream_test.cc
index 5ef4aa965b1099988776e0f8eedf2203fe4f549c..16c6d84e08e28114bb11443ce03767e3e1af9c33 100644
--- a/net/quic/core/quic_crypto_stream_test.cc
+++ b/net/quic/core/quic_crypto_stream_test.cc
@@ -87,8 +87,8 @@ TEST_F(QuicCryptoStreamTest, ProcessRawData) {
   const CryptoHandshakeMessage& message = (*stream_.messages())[0];
   EXPECT_EQ(kSHLO, message.tag());
   EXPECT_EQ(2u, message.tag_value_map().size());
-  EXPECT_EQ("abc", CryptoTestUtils::GetValueForTag(message, 1));
-  EXPECT_EQ("def", CryptoTestUtils::GetValueForTag(message, 2));
+  EXPECT_EQ("abc", crypto_test_utils::GetValueForTag(message, 1));
+  EXPECT_EQ("def", crypto_test_utils::GetValueForTag(message, 2));
 }
 
 TEST_F(QuicCryptoStreamTest, ProcessBadData) {