Add tests for keyUsage to the built-in cert verifier.

net/cert/internal/verify_certificate_chain_typed_unittest.h

Index: net/cert/internal/verify_certificate_chain_typed_unittest.h
diff --git a/net/cert/internal/verify_certificate_chain_typed_unittest.h b/net/cert/internal/verify_certificate_chain_typed_unittest.h
index 48e401869e3df0b0ba87a965db411f2eb0e79862..148aad4fe8dfab1d5f05b015095c363fc40bb5db 100644
--- a/net/cert/internal/verify_certificate_chain_typed_unittest.h
+++ b/net/cert/internal/verify_certificate_chain_typed_unittest.h
@@ -101,6 +101,16 @@ TYPED_TEST_P(VerifyCertificateChainSingleRootTest, TargetNotEndEntity) {
 TYPED_TEST_P(VerifyCertificateChainSingleRootTest, KeyUsage) {
   this->RunTest("intermediate-lacks-signing-key-usage.pem");
   this->RunTest("target-has-keycertsign-but-not-ca.pem");
+
+  this->RunTest("serverauth-ec-ku-decipheronly.pem");
+  this->RunTest("serverauth-ec-ku-digitalsignature.pem");
+  this->RunTest("serverauth-ec-ku-keyagreement.pem");
+  this->RunTest("serverauth-ec-ku-keyencipherment.pem");
+
+  this->RunTest("serverauth-rsa-ku-decipheronly.pem");
+  this->RunTest("serverauth-rsa-ku-digitalsignature.pem");
+  this->RunTest("serverauth-rsa-ku-keyagreement.pem");
+  this->RunTest("serverauth-rsa-ku-keyencipherment.pem");
 }
 
 TYPED_TEST_P(VerifyCertificateChainSingleRootTest, ExtendedKeyUsage) {