Introduce authentication service.

shell/android/intent_receiver_manager_impl.h

Index: shell/android/intent_receiver_manager_impl.h
diff --git a/shell/android/intent_receiver_manager_impl.h b/shell/android/intent_receiver_manager_impl.h
index 919053e55dde6ce9bae7f8fa3f5aad3283234388..9136aae8bb53999c10b57651bb62a5acb5b35763 100644
--- a/shell/android/intent_receiver_manager_impl.h
+++ b/shell/android/intent_receiver_manager_impl.h
@@ -19,8 +19,12 @@ class IntentReceiverManagerImpl
 
  private:
   // Implementation of intent_receiver::IntentReceiverManager
-  void RegisterReceiver(intent_receiver::IntentReceiverPtr receiver,
-                        const RegisterReceiverCallback& callback) override;
+  void RegisterIntentReceiver(
+      intent_receiver::IntentReceiverPtr receiver,
+      const RegisterIntentReceiverCallback& callback) override;
+  void RegisterActivityResult(
+      intent_receiver::IntentReceiverPtr receiver,
+      const RegisterActivityResultCallback& callback) override;
 
   mojo::WeakBindingSet<intent_receiver::IntentReceiverManager> bindings_;
 };