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
index 3ac14be048bbcb1decd34205859f3615e3b60777..ebcc197b6e4030d988fc587b94d7428acb2db364 100644
--- a/components/browser_watcher/stability_debugging_win.h
+++ b/components/browser_watcher/stability_debugging_win.h
@@ -5,9 +5,12 @@
 #ifndef COMPONENTS_BROWSER_WATCHER_STABILITY_DEBUGGING_WIN_H_
 #define COMPONENTS_BROWSER_WATCHER_STABILITY_DEBUGGING_WIN_H_
 
+#include <stdint.h>
+
 #include "base/files/file_path.h"
 #include "base/gtest_prod_util.h"
 #include "base/process/process.h"
+#include "base/strings/string_piece.h"
 
 namespace browser_watcher {
 
@@ -26,6 +29,9 @@ base::FilePath::StringType GetStabilityFilePattern();
 // Marks the stability file for deletion.
 void MarkStabilityFileForDeletion(const base::FilePath& user_data_dir);
 
+// Adds or updates the global stability user data.
+void SetStabilityDataInt(base::StringPiece name, int64_t value);
+
 }  // namespace browser_watcher
 
 #endif  // COMPONENTS_BROWSER_WATCHER_STABILITY_DEBUGGING_WIN_H_