Experiment with a compact mode for simple preloaded entries.

net/http/transport_security_state_unittest.cc

Index: net/http/transport_security_state_unittest.cc
diff --git a/net/http/transport_security_state_unittest.cc b/net/http/transport_security_state_unittest.cc
index fc4e5d4b0a9f8d5489e20548ecb48985e7e02139..242224b01d79f946f9dbbf8447498ea9b6dabf68 100644
--- a/net/http/transport_security_state_unittest.cc
+++ b/net/http/transport_security_state_unittest.cc
@@ -2438,6 +2438,23 @@ TEST_F(TransportSecurityStateTest, DecodePreloadedMultipleMix) {
   EXPECT_TRUE(staple_state.include_subdomains);
   EXPECT_EQ(GURL("https://report.badssl.com/staple-upload"),
             staple_state.report_uri);
+
+  sts_state = TransportSecurityState::STSState();
+  pkp_state = TransportSecurityState::PKPState();
+  ct_state = TransportSecurityState::ExpectCTState();
+  staple_state = TransportSecurityState::ExpectStapleState();
+
+  // This should be a simple entry in the context of
+  // TrieWriter::IsSimpleEntry().
+  EXPECT_TRUE(GetStaticDomainState(&state, "simple-entry.example.com",
+                                   &sts_state, &pkp_state));
+  EXPECT_TRUE(sts_state.include_subdomains);
+  EXPECT_EQ(TransportSecurityState::STSState::MODE_FORCE_HTTPS,
+            sts_state.upgrade_mode);
+  EXPECT_FALSE(pkp_state.include_subdomains);
+  EXPECT_FALSE(GetExpectCTState(&state, "simple-entry.example.com", &ct_state));
+  EXPECT_FALSE(
+      GetExpectStapleState(&state, "simple-entry.example.com", &staple_state));
 }
 
 static const struct ExpectStapleErrorResponseData {