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

net/spdy/bidirectional_stream_spdy_impl_unittest.cc

Index: net/spdy/bidirectional_stream_spdy_impl_unittest.cc
diff --git a/net/spdy/bidirectional_stream_spdy_impl_unittest.cc b/net/spdy/bidirectional_stream_spdy_impl_unittest.cc
index 86ffbfda8e012c00bc7e1f059a6a4cff9a213307..eb767a2ddec4299815f21111294b104aa9bdc52d 100644
--- a/net/spdy/bidirectional_stream_spdy_impl_unittest.cc
+++ b/net/spdy/bidirectional_stream_spdy_impl_unittest.cc
@@ -24,9 +24,14 @@
 #include "net/spdy/spdy_session.h"
 #include "net/spdy/spdy_test_util_common.h"
 #include "net/test/cert_test_util.h"
+#include "net/test/gtest_util.h"
 #include "net/test/test_data_directory.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 {
@@ -290,7 +295,7 @@ TEST_F(BidirectionalStreamSpdyImplTest, SendDataAfterStreamFailed) {
   delegate->SendData(buf.get(), buf->size(), false);
   base::RunLoop().RunUntilIdle();
 
-  EXPECT_EQ(ERR_SPDY_PROTOCOL_ERROR, delegate->error());
+  EXPECT_THAT(delegate->error(), IsError(ERR_SPDY_PROTOCOL_ERROR));
   EXPECT_EQ(0, delegate->on_data_read_count());
   EXPECT_EQ(0, delegate->on_data_sent_count());
   EXPECT_EQ(kProtoHTTP2, delegate->GetProtocol());