media: Reject pending CDM promise during destruction.

media/mojo/services/mojo_cdm_promise.h

Index: media/mojo/services/mojo_cdm_promise.h
diff --git a/media/mojo/services/mojo_cdm_promise.h b/media/mojo/services/mojo_cdm_promise.h
index f56a589a90d076c9a354afd5506c68de040c42a6..e2797c220444616e7d4bb2d4744be674cb5be5ed 100644
--- a/media/mojo/services/mojo_cdm_promise.h
+++ b/media/mojo/services/mojo_cdm_promise.h
@@ -33,7 +33,9 @@ class MojoCdmPromise : public CdmPromiseTemplate<T...> {
               const std::string& error_message) final;
 
  private:
-  using media::CdmPromiseTemplate<T...>::MarkPromiseSettled;
+  using CdmPromiseTemplate<T...>::IsPromiseSettled;
+  using CdmPromiseTemplate<T...>::MarkPromiseSettled;
+  using CdmPromiseTemplate<T...>::RejectPromiseOnDestruction;
 
   CallbackType callback_;
 };