1 files changed, 5 insertions, 17 deletions
diff --git a/components/script/task_source/history_traversal.rs b/components/script/task_source/history_traversal.rs
index ee73e7e991e..aa6877c9379 100644
--- a/components/script/task_source/history_traversal.rs
+++ b/components/script/task_source/history_traversal.rs
@@ -2,28 +2,16 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
+use crate::script_runtime::{CommonScriptMsg, ScriptThreadEventCategory};
+use crate::script_thread::MainThreadScriptMsg;
+use crate::task::{TaskCanceller, TaskOnce};
+use crate::task_source::{TaskSource, TaskSourceName};
 use msg::constellation_msg::PipelineId;
-use script_runtime::{CommonScriptMsg, ScriptChan, ScriptThreadEventCategory};
-use script_thread::MainThreadScriptMsg;
 use servo_channel::Sender;
-use task::{TaskCanceller, TaskOnce};
-use task_source::{TaskSource, TaskSourceName};
 
-#[derive(JSTraceable)]
+#[derive(Clone, JSTraceable)]
 pub struct HistoryTraversalTaskSource(pub Sender<MainThreadScriptMsg>, pub PipelineId);
 
-impl ScriptChan for HistoryTraversalTaskSource {
-    fn send(&self, msg: CommonScriptMsg) -> Result<(), ()> {
-        self.0
-            .send(MainThreadScriptMsg::Common(msg))
-            .map_err(|_| ())
-    }
-
-    fn clone(&self) -> Box<ScriptChan + Send> {
-        Box::new(HistoryTraversalTaskSource((&self.0).clone(), (&self.1).clone()))
-    }
-}
-
 impl TaskSource for HistoryTraversalTaskSource {
     const NAME: TaskSourceName = TaskSourceName::HistoryTraversal;