Mandoline: Allow submitting CompositorFrames directly to mojo::Views

components/view_manager/public/cpp/view_manager_delegate.h

Index: components/view_manager/public/cpp/view_manager_delegate.h
diff --git a/components/view_manager/public/cpp/view_manager_delegate.h b/components/view_manager/public/cpp/view_manager_delegate.h
index d7534d72873664e70ac786e453883dde3b6da654..8e812ec2753b0b3b4d8a9220d0e22e5920b946d7 100644
--- a/components/view_manager/public/cpp/view_manager_delegate.h
+++ b/components/view_manager/public/cpp/view_manager_delegate.h
@@ -50,6 +50,13 @@ class ViewManagerDelegate {
   // notified appropriately).
   virtual void OnUnembed();
 
+  // Sent when GPU resources are returned to the client for reuse.
+  // TODO(fsamuel): This ends up on the main thread. We need a separate
+  // interface for returned resources so we can return resources on the
+  // compositor thread
+  virtual void OnResourcesReturned(
+      mojo::Array<mojo::ReturnedResourcePtr> resources);
+
   // Only invoked if the connection has been marked as an embed root. This
   // allows the delegate to disallow the embed (return false), or change
   // the ServiceProviders that would be exposed to the new client.