Stream implement pipeThrough (#36977)

Part of https://github.com/servo/servo/issues/34676

https://github.com/servo/servo/pull/36905 needs to be merged first.

---------

Signed-off-by: Taym Haddadi <haddadi.taym@gmail.com>

components/shared/constellation/lib.rs

@@ -152,7 +152,7 @@ pub enum TraversalDirection {
 }
 
 /// A task on the <https://html.spec.whatwg.org/multipage/#port-message-queue>
-#[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
+#[derive(Debug, Deserialize, MallocSizeOf, Serialize)]
 pub struct PortMessageTask {
     /// The origin of this task.
     pub origin: ImmutableOrigin,

components/shared/constellation/structured_data/mod.rs

@@ -20,7 +20,7 @@ pub use transferable::*;
 
 /// A data-holder for serialized data and transferred objects.
 /// <https://html.spec.whatwg.org/multipage/#structuredserializewithtransfer>
-#[derive(Clone, Debug, Default, Deserialize, MallocSizeOf, Serialize)]
+#[derive(Debug, Default, Deserialize, MallocSizeOf, Serialize)]
 pub struct StructuredSerializedData {
     /// Data serialized by SpiderMonkey.
     pub serialized: Vec<u8>,
@@ -32,6 +32,8 @@ pub struct StructuredSerializedData {
     pub exceptions: Option<HashMap<DomExceptionId, DomException>>,
     /// Transferred objects.
     pub ports: Option<HashMap<MessagePortId, MessagePortImpl>>,
+    /// Transform streams transferred objects.
+    pub transform_streams: Option<HashMap<MessagePortId, TransformStreamData>>,
 }
 
 impl StructuredSerializedData {

components/shared/constellation/structured_data/serializable.rs

@@ -88,7 +88,7 @@ impl Clone for BroadcastMsg {
 }
 
 /// File-based blob
-#[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
+#[derive(Debug, Deserialize, MallocSizeOf, Serialize)]
 pub struct FileBlob {
     #[ignore_malloc_size_of = "Uuid are hard(not really)"]
     id: Uuid,
@@ -164,7 +164,7 @@ impl BroadcastClone for BlobImpl {
 }
 
 /// The data backing a DOM Blob.
-#[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
+#[derive(Debug, Deserialize, MallocSizeOf, Serialize)]
 pub struct BlobImpl {
     /// UUID of the blob.
     blob_id: BlobId,
@@ -177,7 +177,7 @@ pub struct BlobImpl {
 }
 
 /// Different backends of Blob
-#[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
+#[derive(Debug, Deserialize, MallocSizeOf, Serialize)]
 pub enum BlobData {
     /// File-based blob, whose content lives in the net process
     File(FileBlob),

components/shared/constellation/structured_data/transferable.rs

@@ -15,6 +15,12 @@ use strum::EnumIter;
 
 use crate::PortMessageTask;
 
+#[derive(Debug, Deserialize, MallocSizeOf, Serialize)]
+pub struct TransformStreamData {
+    pub readable: (MessagePortId, MessagePortImpl),
+    pub writable: (MessagePortId, MessagePortImpl),
+}
+
 /// All the DOM interfaces that can be transferred.
 #[derive(Clone, Copy, Debug, EnumIter)]
 pub enum Transferrable {
@@ -28,7 +34,7 @@ pub enum Transferrable {
     TransformStream,
 }
 
-#[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
+#[derive(Debug, Deserialize, MallocSizeOf, Serialize)]
 enum MessagePortState {
     /// <https://html.spec.whatwg.org/multipage/#detached>
     Detached,
@@ -42,7 +48,7 @@ enum MessagePortState {
     Disabled(bool),
 }
 
-#[derive(Clone, Debug, Deserialize, MallocSizeOf, Serialize)]
+#[derive(Debug, Deserialize, MallocSizeOf, Serialize)]
 /// The data and logic backing the DOM managed MessagePort.
 pub struct MessagePortImpl {
     /// The current state of the port.