Mojo framework for AndroidOverlay.

media/mojo/interfaces/android_overlay.mojom

Index: media/mojo/interfaces/android_overlay.mojom
diff --git a/media/mojo/interfaces/android_overlay.mojom b/media/mojo/interfaces/android_overlay.mojom
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+// Copyright 2017 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.
+
+module media.mojom;
+
+import "media/mojo/interfaces/media_types.mojom";
+import "ui/gfx/geometry/mojo/geometry.mojom";
+
+interface AndroidOverlayProvider {
+  // Create an overlay and send it to |client|, using |config| as the initial
+  // configuration.  |client| will be notified when the overlay is ready.
+  CreateOverlay(AndroidOverlayClient client, AndroidOverlayConfig config);
+};
+
+// One overlay instance.
+interface AndroidOverlay {
+  // Cause a layout to occur later.
+  ScheduleLayout(gfx.mojom.Rect rect);
+};
+
+// Provided by the client to receive status updates about the overlay.
+interface AndroidOverlayClient {
+  // |overlay| is the AndroidOverlay that was created in response to a
+  // CreateOverlay request.
+  OnInitialized(AndroidOverlay overlay);
+
+  // |surface_key| is the key that can be used to retrieve the surface via
+  // binder separately.
+  OnSurfaceReady(uint64 surface_key);
+
+  // Indicates that this overlay has been permanently destroyed.  This can
+  // happen before OnInitialized, or before OnSurfaceReady.  It will be the last
+  // callback from the overlay in any case.
+  OnDestroyed();
+};
+
+// This is not a mirror of AndroidOverlay::Config, since it contains things that
+// are specific to the mojo implementation.
+struct AndroidOverlayConfig {
+    uint32 render_frame_id;
+    uint32 renderer_pid;
+
+    gfx.mojom.Rect rect;
+};