Add a platform implementation of QuicTest and QuicTestWithParam
to serve as the base class for all QUIC tests.

This includes code to flip flags back to their default values.

Merge internal change: 154732382

BUG=

Review-Url: https://codereview.chromium.org/2848203002
Cr-Commit-Position: refs/heads/master@{#468373}
diff --git a/net/quic/chromium/quic_utils_chromium_test.cc b/net/quic/chromium/quic_utils_chromium_test.cc
index 31d8c05..28d995e5 100644
--- a/net/quic/chromium/quic_utils_chromium_test.cc
+++ b/net/quic/chromium/quic_utils_chromium_test.cc
@@ -13,7 +13,7 @@
 namespace test {
 namespace {
 
-TEST(QuicUtilsTest, ParseQuicConnectionOptions) {
+TEST(QuicUtilsChromiumTest, ParseQuicConnectionOptions) {
   QuicTagVector empty_options = ParseQuicConnectionOptions("");
   EXPECT_TRUE(empty_options.empty());