Collect unclean shutdown debug information

components/browser_watcher/features.cc

Index: components/browser_watcher/features.cc
diff --git a/components/browser_watcher/features.cc b/components/browser_watcher/features.cc
new file mode 100644
index 0000000000000000000000000000000000000000..f71804919decc0c747d86792cb770fdbdcea0792
--- /dev/null
+++ b/components/browser_watcher/features.cc
@@ -0,0 +1,13 @@
+// Copyright (c) 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.
+
+#include "components/browser_watcher/features.h"
+
+namespace browser_watcher {
+
+// Additional stability instrumentation.
+const base::Feature kStabilityDebuggingFeature{
+    "StabilityDebugging", base::FEATURE_DISABLED_BY_DEFAULT};
+
+}  // namespace browser_watcher