Locate test data more robustly

util/test/executable_path_mac.cc

-// 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.
-
-#include "util/test/executable_path.h"
-
-#include <mach-o/dyld.h>
-#include <stdint.h>
-
-#include "base/logging.h"
-
-namespace crashpad {
-namespace test {
-
-base::FilePath ExecutablePath() {
-  uint32_t executable_length = 0;
-  _NSGetExecutablePath(nullptr, &executable_length);
-  DCHECK_GT(executable_length, 1u);
-  std::string executable_path(executable_length, std::string::value_type());
-  int rv = _NSGetExecutablePath(&executable_path[0], &executable_length);
-  DCHECK_EQ(rv, 0);
-
-  return base::FilePath(executable_path);
-}
-
-}  // namespace test
-}  // namespace crashpad