Mojo framework for AndroidOverlay.

media/base/android/android_overlay.h

 // 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.
 
 #ifndef MEDIA_BASE_ANDROID_ANDROID_OVERLAY_H_
 #define MEDIA_BASE_ANDROID_ANDROID_OVERLAY_H_
 
 #include "base/android/scoped_java_ref.h"
 #include "base/callback.h"
 #include "base/macros.h"
+#include "base/unguessable_token.h"
 #include "media/base/media_export.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gl/android/scoped_java_surface.h"
 
 namespace media {
 
 // Client interface to an AndroidOverlay.  Once constructed, you can expect to
 // receive either a call to ReadyCB or a call to FailedCB to indicate whether
 // the overlay is ready, or isn't going to be ready.  If one does get ReadyCB,
 // then one may GetJavaSurface() to retrieve the java Surface object.  One
@@ skipping 26 matching lines @@
   // ReadyCB has been called.  It will be the last callback for the overlay.
   using DestroyedCB = base::Callback<void()>;
 
   // Configuration used to create an overlay.
   struct Config {
    public:
     Config();
     Config(const Config&);
     ~Config();
 
+    // Implementation-specific token.
+    base::UnguessableToken routing_token;
+
     gfx::Rect rect;
 
     ReadyCB ready_cb;
     FailedCB failed_cb;
     DestroyedCB destroyed_cb;
   };
 
   virtual ~AndroidOverlay() {}
 
   // Schedules a relayout of this overlay.  If called before the client is
   // notified that the surface is created, then the call will be ignored.
   virtual void ScheduleLayout(const gfx::Rect& rect) = 0;
 
   // May be called during / after ReadyCB and before DestroyedCB.
   virtual const base::android::JavaRef<jobject>& GetJavaSurface() const = 0;
 
  protected:
   AndroidOverlay() {}
 
   DISALLOW_COPY_AND_ASSIGN(AndroidOverlay);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_BASE_ANDROID_ANDROID_OVERLAY_H_