Add a new priority level, THROTTLED, below IDLE.

net/quic/quic_http_utils_test.cc

Index: net/quic/quic_http_utils_test.cc
diff --git a/net/quic/quic_http_utils_test.cc b/net/quic/quic_http_utils_test.cc
index 5f33096a14b8e44ff6c32b2d1c6c93349b4966a3..8580dbeed931ed7aa0f1b58ae71589288479f13f 100644
--- a/net/quic/quic_http_utils_test.cc
+++ b/net/quic/quic_http_utils_test.cc
@@ -27,10 +27,11 @@ TEST(QuicHttpUtilsTest, ConvertQuicPriorityToRequestPriority) {
   EXPECT_EQ(LOW, ConvertQuicPriorityToRequestPriority(2));
   EXPECT_EQ(LOWEST, ConvertQuicPriorityToRequestPriority(3));
   EXPECT_EQ(IDLE, ConvertQuicPriorityToRequestPriority(4));
+  EXPECT_EQ(THROTTLED, ConvertQuicPriorityToRequestPriority(5));
   // These are invalid values, but we should still handle them
   // gracefully. TODO(rtenneti): should we test for all possible values of
   // uint32_t?
-  for (int i = 5; i < std::numeric_limits<uint8_t>::max(); ++i) {
+  for (int i = 6; i < std::numeric_limits<uint8_t>::max(); ++i) {
     EXPECT_EQ(IDLE, ConvertQuicPriorityToRequestPriority(i));
   }
 }