Fix rebase issues and run Prettier on layout viewer code

components/layout_2020/flow/mod.rs

@@ -9,8 +9,7 @@ use crate::flow::float::{FloatBox, FloatContext};
 use crate::flow::inline::InlineFormattingContext;
 use crate::formatting_contexts::{IndependentFormattingContext, IndependentLayout, NonReplacedIFC};
 use crate::fragments::{AnonymousFragment, BoxFragment};
-use crate::fragments::{CollapsedBlockMargins, CollapsedMargin};
-use crate::fragments::{DebugId, Fragment};
+use crate::fragments::{CollapsedBlockMargins, CollapsedMargin, Fragment};
 use crate::geom::flow_relative::{Rect, Sides, Vec2};
 use crate::positioned::{AbsolutelyPositionedBox, PositioningContext};
 use crate::replaced::ReplacedContent;

components/layout_2020/positioned.rs

@@ -5,7 +5,7 @@
 use crate::context::LayoutContext;
 use crate::dom_traversal::{Contents, NodeExt};
 use crate::formatting_contexts::IndependentFormattingContext;
-use crate::fragments::{AnonymousFragment, BoxFragment, CollapsedBlockMargins, DebugId, Fragment};
+use crate::fragments::{AnonymousFragment, BoxFragment, CollapsedBlockMargins, Fragment};
 use crate::geom::flow_relative::{Rect, Sides, Vec2};
 use crate::sizing::ContentSizesRequest;
 use crate::style_ext::{ComputedValuesExt, DisplayInside};

components/layout_2020/query.rs

@@ -166,7 +166,7 @@ impl LayoutRPC for LayoutRPCImpl {
 
 pub fn process_content_box_request(
     requested_node: OpaqueNode,
-    fragment_tree_root: Option<&FragmentTreeRoot>,
+    fragment_tree_root: Option<Arc<FragmentTreeRoot>>,
 ) -> Option<Rect<Au>> {
     let fragment_tree_root = match fragment_tree_root {
         Some(fragment_tree_root) => fragment_tree_root,
@@ -182,7 +182,7 @@ pub fn process_content_boxes_request(_requested_node: OpaqueNode) -> Vec<Rect<Au
 
 pub fn process_node_geometry_request(
     requested_node: OpaqueNode,
-    fragment_tree_root: Option<&FragmentTreeRoot>,
+    fragment_tree_root: Option<Arc<FragmentTreeRoot>>,
 ) -> Rect<i32> {
     let fragment_tree_root = match fragment_tree_root {
         Some(fragment_tree_root) => fragment_tree_root,

components/layout_2020/replaced.rs

@@ -34,7 +34,7 @@ pub(crate) struct ReplacedContent {
 ///
 /// * For SVG, see https://svgwg.org/svg2-draft/coords.html#SizingSVGInCSS
 ///   and again https://github.com/w3c/csswg-drafts/issues/4572.
-#[derive(Debug)]
+#[derive(Debug, Serialize)]
 pub(crate) struct IntrinsicSizes {
     pub width: Option<Length>,
     pub height: Option<Length>,

components/layout_thread_2020/lib.rs

@@ -874,8 +874,8 @@ impl LayoutThread {
             self.dump_style_tree,
             self.dump_rule_tree,
             self.relayout_event,
-            true,              // nonincremental_layout
-            self.trace_layout, // trace_layout
+            true,                // nonincremental_layout
+            self.trace_layout,   // trace_layout
             self.dump_flow_tree, // dump_flow_tree
         );
     }
@@ -1235,10 +1235,8 @@ impl LayoutThread {
         match *reflow_goal {
             ReflowGoal::LayoutQuery(ref querymsg, _) => match querymsg {
                 &QueryMsg::ContentBoxQuery(node) => {
-                    rw_data.content_box_response = process_content_box_request(
-                        node,
-                        (&*self.fragment_tree_root.borrow()).as_ref(),
-                    );
+                    rw_data.content_box_response =
+                        process_content_box_request(node, self.fragment_tree_root.borrow().clone());
                 },
                 &QueryMsg::ContentBoxesQuery(node) => {
                     rw_data.content_boxes_response = process_content_boxes_request(node);
@@ -1253,7 +1251,7 @@ impl LayoutThread {
                 &QueryMsg::ClientRectQuery(node) => {
                     rw_data.client_rect_response = process_node_geometry_request(
                         node,
-                        (&*self.fragment_tree_root.borrow()).as_ref(),
+                        self.fragment_tree_root.borrow().clone(),
                     );
                 },
                 &QueryMsg::NodeScrollGeometryQuery(node) => {