DialogSurfaceManager implementation.

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

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+package org.chromium.media;
+
+import org.chromium.media.IAndroidOverlayCallback;
+import org.chromium.media.IAndroidOverlay;
+
+// TODO(liberato): Add oneway here.  Will probably have to provide another
+// method on |callback| to receive the IAndroidOverlay.  it can quietly create
+// the wrapper at that point.  any calls to layout, etc., will be ignored if
+// they're made on an unpopulated android_overlay.cc, so one must wait for
+// SURFACE_CREATED before using it.  note that native createOverlay will return
+// an unpopulated android_overlay.cc (i.e., no IAndroidOverlay, no wrapper
+// for it).
+interface IAndroidOverlayProvider {
+    /**
+     * Create an IAndroidOverlay with the given parameters.
+     *
+     * @param rendererPid pid of the renderer that will own this AndroidOverlay.
+     * @param renderFrameId render frame ID within rendererPid.
+     * @param callback object to receive callbacks about the surface.
+     * @param x Initial position in compositor (not screen) coordinates.
+     * @param y Initial position in compositor (not screen) coordinates.
+     * @param width Initial width in pixels.
+     * @param height Initial height in pixels.
+     */
+    IAndroidOverlay createOverlay(int rendererPid, int renderFrameId,
+            IAndroidOverlayCallback callback, int x, int y, int width, int height);
+}