Clear incognito preferences on destroying incognito profile.
Tests are not added, since it's not final version yet.
BUG=444283
Review URL: https://codereview.chromium.org/1643203002
Cr-Commit-Position: refs/heads/master@{#373804}
diff --git a/components/prefs/pref_service.h b/components/prefs/pref_service.h
index 50a827c..6c95b64 100644
--- a/components/prefs/pref_service.h
+++ b/components/prefs/pref_service.h
@@ -295,6 +295,9 @@
// implemented in chrome/browser/prefs/browser_prefs.cc.
PrefRegistry* DeprecatedGetPrefRegistry();
+ // Clears mutable values.
+ void ClearMutableValues();
+
protected:
// The PrefNotifier handles registering and notifying preference observers.
// It is created and owned by this PrefService. Subclasses may access it for
