PreferencesManager

services/preferences/public/interfaces/preferences.mojom

Index: services/preferences/public/interfaces/preferences.mojom
diff --git a/services/preferences/public/interfaces/preferences.mojom b/services/preferences/public/interfaces/preferences.mojom
index 08278509f8bf4ddb6efa2b4666170339d7274b7f..27d43d3192d6a3e937691b32a20856bbfd653eb1 100644
--- a/services/preferences/public/interfaces/preferences.mojom
+++ b/services/preferences/public/interfaces/preferences.mojom
@@ -6,6 +6,8 @@ module prefs.mojom;
 
 import "mojo/common/values.mojom";
 
+const string kServiceName = "preferences";
+
 // Used to subscribe to preference changes within PreferenceManager. After
 // requesting to observe, the current values for all requested keys are sent.
 interface PreferencesObserver {
@@ -15,6 +17,7 @@ interface PreferencesObserver {
 // Manages actual read/write of preference data. Accepts observers who subscribe
 // to preferences, notifying them of changes.
 interface PreferencesManager {
-  AddObserver(array<string> preferences, PreferencesObserver client);
+  AddObserver(PreferencesObserver client);
   SetPreferences(mojo.common.mojom.DictionaryValue preferences);
+  Subscribe(array<string> preferences);
 };