Refactor net tests to use GMock matchers for checking net::Error results

net/cert_net/nss_ocsp_unittest.cc

Index: net/cert_net/nss_ocsp_unittest.cc
diff --git a/net/cert_net/nss_ocsp_unittest.cc b/net/cert_net/nss_ocsp_unittest.cc
index c5a1e61766f13fed22597a3f863456706fff6ffc..8dca371eee1ac58bc3dd9f75eb68f852e5290dd6 100644
--- a/net/cert_net/nss_ocsp_unittest.cc
+++ b/net/cert_net/nss_ocsp_unittest.cc
@@ -23,13 +23,18 @@
 #include "net/cert/test_root_certs.h"
 #include "net/cert/x509_certificate.h"
 #include "net/test/cert_test_util.h"
+#include "net/test/gtest_util.h"
 #include "net/test/test_data_directory.h"
 #include "net/url_request/url_request_filter.h"
 #include "net/url_request/url_request_interceptor.h"
 #include "net/url_request/url_request_test_job.h"
 #include "net/url_request/url_request_test_util.h"
+#include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+using net::test::IsError;
+using net::test::IsOk;
+
 namespace net {
 
 namespace {
@@ -148,11 +153,11 @@ TEST_F(NssHttpTest, TestAia) {
                                   std::string(), CertificateList()),
       nullptr, &verify_result, test_callback.callback(), &request,
       BoundNetLog());
-  ASSERT_EQ(ERR_IO_PENDING, error);
+  ASSERT_THAT(error, IsError(ERR_IO_PENDING));
 
   error = test_callback.WaitForResult();
 
-  EXPECT_EQ(OK, error);
+  EXPECT_THAT(error, IsOk());
 
   // Ensure that NSS made an AIA request for the missing intermediate.
   EXPECT_LT(0, request_count());