servo: Merge #2135 - Stop using deprecated RefCell<T>::get (from mbru…

…beck:refcell-get); r=larsbergstrom

It's going away in the next Rust upgrade (rust-lang/rust#13301). r? larsbergstrom

We'll need to do the same in rust-layers.

Source-Repo: https://github.com/servo/servo
Source-Revision: aafadb65f2f5e318805a03f3bc9814eb1a8a50cc

UltraBlame original commit: b14ab74b1b9813efa98ef1cb51659a7979f3aa0d

servo/src/components/main/constellation.rs

@@ -950,7 +950,11 @@ frame_tree
 .
 parent
 .
-get
+borrow
+(
+)
+.
+clone
 (
 )
 )
@@ -4120,7 +4124,7 @@ source_pipeline
 .
 url
 .
-get
+borrow
 (
 )
 .
@@ -5496,32 +5500,15 @@ given
 to
 the
 compositor
-/
-/
-NOTE
-:
-work
-around
-borrowchk
-issues
 let
-tmp
+next_frame_tree
 =
+if
 to_add
 .
 parent
 .
-clone
-(
-)
-;
-let
-next_frame_tree
-=
-if
-tmp
-.
-get
+borrow
 (
 )
 .
@@ -5537,9 +5524,6 @@ work
 around
 borrowchk
 issues
-let
-tmp
-=
 self
 .
 current_frame
@@ -5549,8 +5533,6 @@ current_frame
 get_ref
 (
 )
-;
-tmp
 .
 clone
 (

servo/src/components/main/pipeline.rs

@@ -1038,7 +1038,7 @@ self
 .
 url
 .
-get
+borrow
 (
 )
 .

servo/src/components/script/html/hubbub_html_parser.rs

@@ -2020,11 +2020,12 @@ next_subpage_id
 :
 SubpageId
 =
+*
 page
 .
 next_subpage_id
 .
-get
+borrow
 (
 )
 ;
@@ -3082,9 +3083,10 @@ Id
 let
 subpage_id
 =
+*
 next_subpage_id
 .
-get
+borrow
 (
 )
 ;