[LoaderTest] Add the gtest pretty printer for ResourceError

third_party/WebKit/Source/platform/testing/PlatformTestPrinters.cpp

Index: third_party/WebKit/Source/platform/testing/PlatformTestPrinters.cpp
diff --git a/third_party/WebKit/Source/platform/testing/PlatformTestPrinters.cpp b/third_party/WebKit/Source/platform/testing/PlatformTestPrinters.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..a26478353321cc9ce869cb70b81c898d88e4267f
--- /dev/null
+++ b/third_party/WebKit/Source/platform/testing/PlatformTestPrinters.cpp
@@ -0,0 +1,30 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "platform/network/ResourceError.h"
+#include <ostream>
+
+// Pretty printer for gtest.
+// Each corresponding declaration should be placed in the header file of
+// the corresponding class (e.g. ResourceError.h) to avoid ODR violations,
+// not in e.g. PlatformTestPrinters.h. See https://crbug.com/514330.
+
+namespace blink {
+
+std::ostream& operator<<(std::ostream& os, const ResourceError& error)
+{
+    return os
+        << "domain = " << error.domain()
+        << ", errorCode = " << error.errorCode()
+        << ", failingURL = " << error.failingURL()
+        << ", localizedDescription = " << error.localizedDescription()
+        << ", isNull = " << error.isNull()
+        << ", isCancellation = " << error.isCancellation()
+        << ", isAccessCheck = " << error.isAccessCheck()
+        << ", isTimeout = " << error.isTimeout()
+        << ", staleCopyInCache = " << error.staleCopyInCache()
+        << ", wasIgnoredByHandler = " << error.wasIgnoredByHandler();
+}
+
+} // namespace blink