Move QUIC error code utility methods to quic_error_codes.{h,cc}, and rename them slightly. No beha…

net/quic/core/quic_error_codes.h

Index: net/quic/core/quic_error_codes.h
diff --git a/net/quic/core/quic_error_codes.h b/net/quic/core/quic_error_codes.h
index b409e6c7fdf2f75f44162f0f542a8abe4a6b374f..41968791193e44724ef1d13359ef59f9837bf26f 100644
--- a/net/quic/core/quic_error_codes.h
+++ b/net/quic/core/quic_error_codes.h
@@ -9,6 +9,8 @@
 
 #include <limits>
 
+#include "net/base/net_export.h"
+
 namespace net {
 
 enum QuicRstStreamErrorCode {
@@ -53,10 +55,10 @@ enum QuicRstStreamErrorCode {
   // No error. Used as bound while iterating.
   QUIC_STREAM_LAST_ERROR,
 };
-// QUIC error codes are encoded to a single octet on-the-wire.
+// QuicRstStreamErrorCode is encoded as a single octet on-the-wire.
 static_assert(static_cast<int>(QUIC_STREAM_LAST_ERROR) <=
                   std::numeric_limits<uint8_t>::max(),
-              "QuicErrorCode exceeds single octet");
+              "QuicRstStreamErrorCode exceeds single octet");
 
 // These values must remain stable as they are uploaded to UMA histograms.
 // To add a new error code, use the current value of QUIC_LAST_ERROR and
@@ -275,6 +277,17 @@ enum QuicErrorCode {
   // No error. Used as bound while iterating.
   QUIC_LAST_ERROR = 97,
 };
+// QuicErrorCodes is encoded as a single octet on-the-wire.
+static_assert(static_cast<int>(QUIC_LAST_ERROR) <=
+                  std::numeric_limits<uint8_t>::max(),
+              "QuicErrorCode exceeds single octet");
+
+// Returns the name of the QuicRstStreamErrorCode as a char*
+NET_EXPORT_PRIVATE const char* QuicRstStreamErrorCodeToString(
+    QuicRstStreamErrorCode error);
+
+// Returns the name of the QuicErrorCode as a char*
+NET_EXPORT_PRIVATE const char* QuicErrorCodeToString(QuicErrorCode error);
 
 }  // namespace net