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diff --git a/chromium/components/browser_watcher/stability_paths.h b/chromium/components/browser_watcher/stability_paths.h
new file mode 100644
index 00000000000..07216f1f75c
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+++ b/chromium/components/browser_watcher/stability_paths.h
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+// Copyright 2017 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 COMPONENTS_BROWSER_WATCHER_STABILITY_PATHS_H_
+#define COMPONENTS_BROWSER_WATCHER_STABILITY_PATHS_H_
+
+#include "base/files/file_path.h"
+#include "base/process/process.h"
+#include "build/build_config.h"
+
+#if defined(OS_WIN)
+#include <winsock2.h>
+#endif  // defined(OS_WIN)
+
+namespace browser_watcher {
+
+#if defined(OS_WIN)
+
+// Returns the stability debugging directory.
+base::FilePath GetStabilityDir(const base::FilePath& user_data_dir);
+
+// Returns the stability debugging path, which is based on pid and creation time
+// to ensure uniqueness in the face of pid recycling.
+base::FilePath GetStabilityFileForProcess(base::ProcessId pid,
+                                          timeval creation_time,
+                                          const base::FilePath& user_data_dir);
+
+// On success, returns true and |path| contains the path to the stability file.
+// On failure, returns false.
+bool GetStabilityFileForProcess(const base::Process& process,
+                                const base::FilePath& user_data_dir,
+                                base::FilePath* path);
+
+// Returns a pattern that matches file names returned by GetFileForProcess.
+base::FilePath::StringType GetStabilityFilePattern();
+
+// Marks the stability file for deletion.
+void MarkStabilityFileForDeletion(const base::FilePath& user_data_dir);
+
+#endif  // defined(OS_WIN)
+
+}  // namespace browser_watcher
+
+#endif  // COMPONENTS_BROWSER_WATCHER_STABILITY_PATHS_H_