net: add OCSP tests.

net/test/test_server.h

Index: net/test/test_server.h
diff --git a/net/test/test_server.h b/net/test/test_server.h
index 5c04a40ff92091c66dea4707eb9744e19b6f5cee..0aa9ff0ff8a8510de08694f14b6b74961fd23e48 100644
--- a/net/test/test_server.h
+++ b/net/test/test_server.h
@@ -62,6 +62,12 @@ class TestServer {
       // TestRootStore) is expected to have a self-signed version of the
       // intermediate.
       CERT_CHAIN_WRONG_ROOT,
+      // OCSP_* causes TestServer to run both an HTTPS and HTTP server. The
+      // HTTP server answers OCSP queries for the HTTPS certificate, which is
+      // generated on the fly.
+      OCSP_OK,
+      OCSP_REVOKED,
+      OCSP_INVALID,
     };
 
     // Bitmask of bulk encryption algorithms that the test server supports
@@ -92,6 +98,10 @@ class TestServer {
     // |server_certificate|.
     FilePath GetCertificateFile() const;
 
+    // If the certificate is a magic string, rather than a file on disk, this
+    // returns the string to use. Otherwise it returns an empty string.
+    std::string GetSpecialCertificateString() const;
+
     // The certificate to use when serving requests.
     ServerCertificate server_certificate;