servo: Merge #10714 - Implement user interaction task source (from KiChjang:user-interaction-task); r=Ms2ger

Part of #7959.

Source-Repo: https://github.com/servo/servo
Source-Revision: 42141870e764d0763bfbbdbed70b74399ee342de

servo/components/script/script_thread.rs

@@ -99,7 +99,7 @@ use task_source::dom_manipulation::{DOMManipulationTaskSource, DOMManipulationTa
 use task_source::file_reading::FileReadingTaskSource;
 use task_source::history_traversal::HistoryTraversalTaskSource;
 use task_source::networking::NetworkingTaskSource;
-use task_source::user_interaction::UserInteractionTaskSource;
+use task_source::user_interaction::{UserInteractionTaskSource, UserInteractionTask};
 use time::Tm;
 use url::{Url, Position};
 use util::opts;
@@ -222,6 +222,8 @@ pub enum MainThreadScriptMsg {
     Navigate(PipelineId, LoadData),
     /// Tasks that originate from the DOM manipulation task source
     DOMManipulation(DOMManipulationTask),
+    /// Tasks that originate from the user interaction task source
+    UserInteraction(UserInteractionTask),
 }
 
 impl OpaqueSender<CommonScriptMsg> for Box<ScriptChan + Send> {
@@ -928,8 +930,10 @@ impl ScriptThread {
                 LiveDOMReferences::cleanup(addr),
             MainThreadScriptMsg::Common(CommonScriptMsg::CollectReports(reports_chan)) =>
                 self.collect_reports(reports_chan),
-            MainThreadScriptMsg::DOMManipulation(msg) =>
-                msg.handle_msg(self),
+            MainThreadScriptMsg::DOMManipulation(task) =>
+                task.handle_task(self),
+            MainThreadScriptMsg::UserInteraction(task) =>
+                task.handle_task(),
         }
     }