Bug 1936957 - Avoid a redundant GetProperty(nsGkAtoms::DisplayPortMar…

…gins) call in HasNonMinimalNonZeroDisplayPort. r=tnikkel

Differential Revision: https://phabricator.services.mozilla.com/D232024

UltraBlame original commit: 1a7e4ea52fc2be6f92755c1ba2438cd87a39dc0e

layout/base/DisplayPortUtils.cpp

@@ -3304,45 +3304,39 @@ return
 false
 ;
 }
+DisplayPortPropertyData
+*
+rectData
+=
+nullptr
+;
+DisplayPortMarginsPropertyData
+*
+marginsData
+=
+nullptr
+;
 if
 (
 !
-HasDisplayPort
+GetDisplayPortData
 (
 aContent
+&
+rectData
+&
+marginsData
 )
 )
 {
 return
 false
 ;
 }
-DisplayPortMarginsPropertyData
-*
-currentData
-=
-static_cast
-<
-DisplayPortMarginsPropertyData
-*
->
-(
-aContent
--
->
-GetProperty
-(
-nsGkAtoms
-:
-:
-DisplayPortMargins
-)
-)
-;
 if
 (
 !
-currentData
+marginsData
 )
 {
 /
@@ -3403,7 +3397,7 @@ true
 }
 if
 (
-currentData
+marginsData
 -
 >
 mMargins