Cast: Enable use of VideoEncodeAccelerator for hardware video encoding

media/cast/test/utility/default_config.h

Index: media/cast/test/utility/default_config.h
diff --git a/media/cast/test/utility/default_config.h b/media/cast/test/utility/default_config.h
index ef7c79a9605a9657a0eb54f75a885c4a31d51b9b..59a24404ef56940c1f462933e845f728bd659174 100644
--- a/media/cast/test/utility/default_config.h
+++ b/media/cast/test/utility/default_config.h
@@ -20,6 +20,13 @@ AudioReceiverConfig GetDefaultAudioReceiverConfig();
 // name.
 VideoReceiverConfig GetDefaultVideoReceiverConfig();
 
+// Returns a callback that does nothing.
+CreateVideoEncodeAcceleratorCallback
+    CreateDefaultVideoEncodeAcceleratorCallback();
+
+// Returns a callback that does nothing.
+CreateVideoEncodeMemoryCallback CreateDefaultVideoEncodeMemoryCallback();
+
 }  // namespace cast
 }  // namespace media