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

net/url_request/url_request_file_dir_job_unittest.cc

Index: net/url_request/url_request_file_dir_job_unittest.cc
diff --git a/net/url_request/url_request_file_dir_job_unittest.cc b/net/url_request/url_request_file_dir_job_unittest.cc
index 079bb83b45697fa71b9446979959227d571e7904..a3a077f05c49aae7ab06b735b59a074c29734a80 100644
--- a/net/url_request/url_request_file_dir_job_unittest.cc
+++ b/net/url_request/url_request_file_dir_job_unittest.cc
@@ -16,10 +16,15 @@
 #include "net/base/filename_util.h"
 #include "net/base/io_buffer.h"
 #include "net/base/net_errors.h"
+#include "net/test/gtest_util.h"
 #include "net/url_request/url_request.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 {
@@ -126,7 +131,7 @@ TEST_F(URLRequestFileDirTest, ListCompletionOnNoPending) {
   // The URLRequestFileDirJobShould return the cached read error synchronously.
   // If it's not returned synchronously, the code path this is intended to test
   // was not executed.
-  EXPECT_EQ(ERR_FILE_NOT_FOUND, request->status().ToNetError());
+  EXPECT_THAT(request->status().ToNetError(), IsError(ERR_FILE_NOT_FOUND));
 }
 
 // Test the case where reading the response completes synchronously.