Re-enable HttpSecurityHeadersTest.UpdateDynamicPKPMaxAge0

net/http/http_security_headers_unittest.cc

Index: net/http/http_security_headers_unittest.cc
diff --git a/net/http/http_security_headers_unittest.cc b/net/http/http_security_headers_unittest.cc
index 234c5f076ece48c8bc597cb5f3cf9868ec5334dc..ec8f3f4a53f9e7c96ecd62544a9fb07e48b092f5 100644
--- a/net/http/http_security_headers_unittest.cc
+++ b/net/http/http_security_headers_unittest.cc
@@ -593,13 +593,7 @@ TEST_F(HttpSecurityHeadersTest, UpdateDynamicPKPOnly) {
   EXPECT_NE(new_dynamic_domain_state.pkp.spki_hashes.end(), hash);
 }
 
-// Failing on win_chromium_rel. crbug.com/375538
-#if defined(OS_WIN)
-#define MAYBE_UpdateDynamicPKPMaxAge0 DISABLED_UpdateDynamicPKPMaxAge0
-#else
-#define MAYBE_UpdateDynamicPKPMaxAge0 UpdateDynamicPKPMaxAge0
-#endif
-TEST_F(HttpSecurityHeadersTest, MAYBE_UpdateDynamicPKPMaxAge0) {
+TEST_F(HttpSecurityHeadersTest, UpdateDynamicPKPMaxAge0) {
   TransportSecurityState state;
   TransportSecurityState::DomainState static_domain_state;
 
@@ -677,7 +671,6 @@ TEST_F(HttpSecurityHeadersTest, MAYBE_UpdateDynamicPKPMaxAge0) {
                                &failure_log));
   EXPECT_NE(0UL, failure_log.length());
 }
-#undef MAYBE_UpdateDynamicPKPMaxAge0
 
 // Tests that when a static HSTS and a static HPKP entry are present, adding a
 // dynamic HSTS header does not clobber the static HPKP entry. Further, adding a