Move kDeprecatedQuicErrorCode and kActiveQuicErrorCode to domain_reliability to keep

quic_protocol.h clean of chromium only code.

BUG=

Review-Url: https://codereview.chromium.org/2028803002
Cr-Commit-Position: refs/heads/master@{#396939}

components/domain_reliability/quic_error_mapping.cc

@@ -235,7 +235,13 @@ const struct QuicErrorMapping {
   { net::QUIC_LAST_ERROR, "quic.last_error"}
 };
 
-static_assert(arraysize(kQuicErrorMap) == net::kActiveQuicErrorCount,
+// Must be updated any time a net::QuicErrorCode is deprecated in
+// net/quic/quic_protocol.h.
+const int kDeprecatedQuicErrorCount = 4;
+const int kActiveQuicErrorCount =
+    net::QUIC_LAST_ERROR - kDeprecatedQuicErrorCount;
+
+static_assert(arraysize(kQuicErrorMap) == kActiveQuicErrorCount,
               "quic_error_map is not in sync with quic protocol!");
 
 }  // namespace

net/quic/quic_protocol.h

@@ -696,10 +696,6 @@ enum QuicErrorCode {
   QUIC_LAST_ERROR = 91,
 };
 
-// Must be updated any time a QuicErrorCode is deprecated.
-const int kDeprecatedQuicErrorCount = 4;
-const int kActiveQuicErrorCount = QUIC_LAST_ERROR - kDeprecatedQuicErrorCount;
-
 typedef char DiversificationNonce[32];
 
 struct NET_EXPORT_PRIVATE QuicPacketPublicHeader {

net/quic/quic_protocol_test.cc

@@ -67,20 +67,6 @@ TEST(QuicProtocolTest, IsAawaitingPacket) {
   EXPECT_TRUE(IsAwaitingPacket(ack_frame2, 50u, 20u));
 }
 
-TEST(QuicProtocolTest, QuicDeprecatedErrorCodeCount) {
-  // If you deprecated any QuicErrorCode, you will need to update the
-  // deprecated QuicErrorCode count. Otherwise this test will fail.
-  int num_deprecated_errors = 0;
-  std::string invalid_error_code = "INVALID_ERROR_CODE";
-  for (int i = 0; i < QUIC_LAST_ERROR; ++i) {
-    if (QuicUtils::ErrorToString(static_cast<QuicErrorCode>(i)) ==
-        invalid_error_code) {
-      ++num_deprecated_errors;
-    }
-  }
-  EXPECT_EQ(kDeprecatedQuicErrorCount, num_deprecated_errors);
-}
-
 TEST(QuicProtocolTest, QuicVersionToQuicTag) {
 // If you add a new version to the QuicVersion enum you will need to add a new
 // case to QuicVersionToQuicTag, otherwise this test will fail.