Update the pdfium library
Note: pdfium does not have releases, rather the repository is
kept up-to-date. This was pulled on: 6/4/2015.
Change-Id: I3c6d77fa1f7c6da2b7df3c4e5c00093900125bc2
diff --git a/testing/fx_string_testhelpers.h b/testing/fx_string_testhelpers.h
new file mode 100644
index 0000000..7d06688
--- /dev/null
+++ b/testing/fx_string_testhelpers.h
@@ -0,0 +1,19 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef TESTING_FX_STRING_TESTHELPERS_H_
+#define TESTING_FX_STRING_TESTHELPERS_H_
+
+#include <ostream>
+
+#include "../core/include/fxcrt/fx_basic.h"
+
+// Output stream operator so GTEST macros work with FX strings.
+std::ostream& operator<<(std::ostream& out, const CFX_ByteStringC& str);
+std::ostream& operator<<(std::ostream& out, const CFX_ByteString& str);
+std::ostream& operator<<(std::ostream& out, const CFX_WideStringC& str);
+std::ostream& operator<<(std::ostream& out, const CFX_WideString& str);
+
+#endif // TESTING_FX_STR_TESTHELPERS_H_
+