Various formatting cleanups to net/quic/crypto and net/quic/congestion_control

net/quic/test_tools/quic_test_utils.cc

Index: net/quic/test_tools/quic_test_utils.cc
diff --git a/net/quic/test_tools/quic_test_utils.cc b/net/quic/test_tools/quic_test_utils.cc
index a95af0d925023ee3835ac24e009949a6e8ff584d..b7306f90ab09a3caf8e74756dfe5a7d53f5c7932 100644
--- a/net/quic/test_tools/quic_test_utils.cc
+++ b/net/quic/test_tools/quic_test_utils.cc
@@ -727,18 +727,6 @@ void CompareCharArraysWithHexError(const string& description,
                 << HexDumpWithMarks(actual, actual_len, marks.get(), max_len);
 }
 
-bool DecodeHexString(const base::StringPiece& hex, std::string* bytes) {
-  bytes->clear();
-  if (hex.empty())
-    return true;
-  std::vector<uint8_t> v;
-  if (!base::HexStringToBytes(hex.as_string(), &v))
-    return false;
-  if (!v.empty())
-    bytes->assign(reinterpret_cast<const char*>(&v[0]), v.size());
-  return true;
-}
-
 static QuicPacket* ConstructPacketFromHandshakeMessage(
     QuicConnectionId connection_id,
     const CryptoHandshakeMessage& message,