DialogSurfaceManager implementation.

media/base/android/java/src/org/chromium/media/IDialogSurfaceCallback.aidl

Index: media/base/android/java/src/org/chromium/media/IDialogSurfaceCallback.aidl
diff --git a/chrome/browser/supervised_user/supervised_user_features.cc b/media/base/android/java/src/org/chromium/media/IDialogSurfaceCallback.aidl
similarity index 51%
copy from chrome/browser/supervised_user/supervised_user_features.cc
copy to media/base/android/java/src/org/chromium/media/IDialogSurfaceCallback.aidl
index 3fe29316d7f9c82024fd5d9d6b623ccda16eaa17..3dad2662d321ca99d61e2e984d50a152ea6c4101 100644
--- a/chrome/browser/supervised_user/supervised_user_features.cc
+++ b/media/base/android/java/src/org/chromium/media/IDialogSurfaceCallback.aidl
@@ -2,12 +2,10 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "chrome/browser/supervised_user/supervised_user_features.h"
-
-namespace supervised_users {
-
-const base::Feature kSupervisedUserInitiatedExtensionInstall{
-    "SupervisedUserInitiatedExtensionInstall",
-    base::FEATURE_DISABLED_BY_DEFAULT};
+package org.chromium.media;
 
+// Callback interface for the DialogSurface.
+interface IDialogSurfaceCallback {
+    // Mirrors DialogSurface::OnCallback(), with an implicit id.
+    void onCallback(int what);
 }