Locate test data more robustly

util/test/executable_path.h

-// Copyright 2014 The Crashpad Authors. All rights reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//     http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-#ifndef CRASHPAD_UTIL_TEST_EXECUTABLE_PATH_H_
-#define CRASHPAD_UTIL_TEST_EXECUTABLE_PATH_H_
-
-#include "base/files/file_path.h"
-
-namespace crashpad {
-namespace test {
-
-//! \brief Returns the pathname of the currently-running test executable.
-base::FilePath ExecutablePath();
-
-}  // namespace test
-}  // namespace crashpad
-
-#endif  // CRASHPAD_UTIL_TEST_EXECUTABLE_PATH_H_