PPAPI Testing: Clean up location of ppapi::StripTestPrefixes

ppapi/shared_impl/test_utils.h

 // Copyright (c) 2013 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.
 
-#ifndef PPAPI_SHARED_IMPL_UNITTEST_UTILS_H_
-#define PPAPI_SHARED_IMPL_UNITTEST_UTILS_H_
+#ifndef PPAPI_SHARED_IMPL_TEST_UTILS_H_
+#define PPAPI_SHARED_IMPL_TEST_UTILS_H_
+
+#include <string>
 
 #include "ppapi/c/pp_var.h"
 
 namespace ppapi {
 
 // Compares two vars for equality. This is a deep comparison (the entire graph
 // is traversed recursively). The function guarantees that the topology of the
 // two PP_Var graphs being compared is identical, including graphs with cycles.
 // If |test_string_references| is set to true, then incoming references to
 // string vars in the two graphs must be isomorphic. Otherwise only the content
 // of the strings is tested for equality.
 bool TestEqual(const PP_Var& expected,
                const PP_Var& actual,
                bool test_string_references);
 
+std::string StripTestPrefixes(const std::string& test_name);
+
 }  // namespace ppapi
 
-#endif  // PPAPI_SHARED_IMPL_UNITTEST_UTILS_H_
+#endif  // PPAPI_SHARED_IMPL_TEST_UTILS_H_