Implement Stub for policy bridge to ARC

components/arc/common/arc_bridge.mojom

Index: components/arc/common/arc_bridge.mojom
diff --git a/components/arc/common/arc_bridge.mojom b/components/arc/common/arc_bridge.mojom
index 272e0a24d613135d2bd4ca3d0a30d8b282e4283b..35a4ab6c56dd1fa0142eb6864ec9040c98222f5e 100644
--- a/components/arc/common/arc_bridge.mojom
+++ b/components/arc/common/arc_bridge.mojom
@@ -12,6 +12,7 @@ import "input.mojom";
 import "intent_helper.mojom";
 import "net.mojom";
 import "notifications.mojom";
+import "policy.mojom";
 import "power.mojom";
 import "process.mojom";
 import "video.mojom";
@@ -46,6 +47,9 @@ interface ArcBridgeHost {
   // Notifies Chrome that the NotificationsInstance interface is ready.
   OnNotificationsInstanceReady@102(NotificationsInstance instance_ptr);
 
+  // Notifies Chrome that the PolicyInstance interface is ready.
+  [MinVersion=7] OnPolicyInstanceReady@114(PolicyInstance instance_ptr);
+
   // Notifies Chrome that the PowerInstance interface is ready.
   OnPowerInstanceReady@103(PowerInstance instance_ptr);