style: Make Servo use a single thread-pool for layout-related tasks per-process.

Instead of per-document. This also allows to reuse this thread-pool if needed
for other stuff, like parallel CSS parsing (#22478), and to share more code with
Gecko, which is always nice.

2 files changed, 0 insertions, 4 deletions

diff --git a/components/script/dom/htmliframeelement.rs b/components/script/dom/htmliframeelement.rs
index 288584932f0..0e23a04fc39 100644
--- a/components/script/dom/htmliframeelement.rs
+++ b/components/script/dom/htmliframeelement.rs
@@ -38,7 +38,6 @@ use script_traits::{
     WindowSizeData,
 };
 use script_traits::{NewLayoutInfo, ScriptMsg};
-use servo_config::prefs::PREFS;
 use servo_url::ServoUrl;
 use std::cell::Cell;
 use style::attr::{AttrValue, LengthOrPercentageOrAuto};
@@ -204,7 +203,6 @@ impl HTMLIFrameElement {
                         },
                         device_pixel_ratio: window.device_pixel_ratio(),
                     },
-                    layout_threads: PREFS.get("layout.threads").as_u64().expect("count") as usize,
                 };
 
                 self.pipeline_id.set(Some(new_pipeline_id));
diff --git a/components/script/dom/windowproxy.rs b/components/script/dom/windowproxy.rs
index 65362ee0d17..8b0af9a147e 100644
--- a/components/script/dom/windowproxy.rs
+++ b/components/script/dom/windowproxy.rs
@@ -45,7 +45,6 @@ use msg::constellation_msg::BrowsingContextId;
 use msg::constellation_msg::PipelineId;
 use msg::constellation_msg::TopLevelBrowsingContextId;
 use script_traits::{AuxiliaryBrowsingContextLoadInfo, LoadData, NewLayoutInfo, ScriptMsg};
-use servo_config::prefs::PREFS;
 use servo_url::ServoUrl;
 use std::cell::Cell;
 use std::ptr;
@@ -290,7 +289,6 @@ impl WindowProxy {
                 pipeline_port: pipeline_receiver,
                 content_process_shutdown_chan: None,
                 window_size: window.window_size(),
-                layout_threads: PREFS.get("layout.threads").as_u64().expect("count") as usize,
             };
             let constellation_msg = ScriptMsg::ScriptNewAuxiliary(load_info, pipeline_sender);
             window.send_to_constellation(constellation_msg);