Move remaining tests from quic_protocol_test.cc into appropriate locations. These were missed duri…

net/quic/core/quic_tag_test.cc

Index: net/quic/core/quic_tag_test.cc
diff --git a/net/quic/core/quic_tag_test.cc b/net/quic/core/quic_tag_test.cc
index 6b1cdd74d3e18f00baae612167e3fbaa1d510645..92a51d7b1855b932e54381047260d6a8962abaf6 100644
--- a/net/quic/core/quic_tag_test.cc
+++ b/net/quic/core/quic_tag_test.cc
@@ -22,6 +22,16 @@ TEST(QuicTagTest, TagToString) {
   EXPECT_EQ("525092931", QuicTagToString(MakeQuicTag('C', 'H', 'L', '\x1f')));
 }
 
+TEST(QuicTagTest, MakeQuicTag) {
+  QuicTag tag = MakeQuicTag('A', 'B', 'C', 'D');
+  char bytes[4];
+  memcpy(bytes, &tag, 4);
+  EXPECT_EQ('A', bytes[0]);
+  EXPECT_EQ('B', bytes[1]);
+  EXPECT_EQ('C', bytes[2]);
+  EXPECT_EQ('D', bytes[3]);
+}
+
 }  // namespace
 }  // namespace test
 }  // namespace net