Record MetricsService's execution phase to the stability file

components/browser_watcher/stability_debugging_win.h

Index: components/browser_watcher/stability_debugging_win.h
diff --git a/components/browser_watcher/stability_debugging_win.h b/components/browser_watcher/stability_debugging_win.h
deleted file mode 100644
index 3ac14be048bbcb1decd34205859f3615e3b60777..0000000000000000000000000000000000000000
--- a/components/browser_watcher/stability_debugging_win.h
+++ /dev/null
@@ -1,31 +0,0 @@
-// Copyright 2016 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_DEBUGGING_WIN_H_
-#define COMPONENTS_BROWSER_WATCHER_STABILITY_DEBUGGING_WIN_H_
-
-#include "base/files/file_path.h"
-#include "base/gtest_prod_util.h"
-#include "base/process/process.h"
-
-namespace browser_watcher {
-
-// Returns the the stability debugging directory.
-base::FilePath GetStabilityDir(const base::FilePath& user_data_dir);
-
-// On success, |path| contains the path to the stability debugging information
-// file for |process|.
-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);
-
-}  // namespace browser_watcher
-
-#endif  // COMPONENTS_BROWSER_WATCHER_STABILITY_DEBUGGING_WIN_H_