stream: expose the streams gated by the time feature

Added an export for the three last stream structures in the
adapters mod.
Timeout was already exposed in tokio_stream directly due to
#4601 ; left it there.

Fixes: #6656

tokio-stream/src/lib.rs

@@ -88,6 +88,9 @@ pub mod adapters {
         AllFuture, AnyFuture, Chain, Filter, FilterMap, FoldFuture, Fuse, Map, MapWhile, Merge,
         Next, Peekable, Skip, SkipWhile, Take, TakeWhile, Then, TryNext,
     };
+    cfg_time! {
+        pub use crate::stream_ext::{ChunksTimeout, Timeout, TimeoutRepeating};
+    }
 }
 
 cfg_time! {

tokio-stream/src/stream_ext.rs

@@ -61,13 +61,13 @@ pub use peekable::Peekable;
 cfg_time! {
     pub(crate) mod timeout;
     pub(crate) mod timeout_repeating;
-    use timeout::Timeout;
-    use timeout_repeating::TimeoutRepeating;
+    pub use timeout::Timeout;
+    pub use timeout_repeating::TimeoutRepeating;
     use tokio::time::{Duration, Interval};
     mod throttle;
     use throttle::{throttle, Throttle};
     mod chunks_timeout;
-    use chunks_timeout::ChunksTimeout;
+    pub use chunks_timeout::ChunksTimeout;
 }
 
 /// An extension trait for the [`Stream`] trait that provides a variety of