Add multiple destruction callbacks to AndroidOverlay.

media/mojo/clients/mojo_android_overlay.cc

Index: media/mojo/clients/mojo_android_overlay.cc
diff --git a/media/mojo/clients/mojo_android_overlay.cc b/media/mojo/clients/mojo_android_overlay.cc
index eb03d7414ba477292c375171f882f475c5cb8cbf..0faee7e8e071f40d3e3dcde74061381837cac2e9 100644
--- a/media/mojo/clients/mojo_android_overlay.cc
+++ b/media/mojo/clients/mojo_android_overlay.cc
@@ -73,7 +73,7 @@ void MojoAndroidOverlay::OnDestroyed() {
   if (!received_surface_)
     config_.is_failed(this);
   else
-    config_.is_destroyed(this);
+    RunDestructionCallbacks();
 
   // Note: we do not delete |overlay_ptr_| here.  Our client must delete us to
   // signal that we should do that, since it still might be in use.