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 bf8d186bfea59db06e7f86cfb37a073846e2c366..c064d92b17288752fd8852fa200a6cbfa07dd7d2 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/common_custom_types.mojom";
 
+const string kCapabilityName = "prefs:manager";
+
 // 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);
 };