mozilla-central: changeset 298907:ce7e41b72c76ca3cbb248115f66ce3fad3cef664

author	Cameron McCormack <cam@mcc.id.au>
	Wed, 25 May 2016 16:55:49 +1000
changeset 298907	ce7e41b72c76ca3cbb248115f66ce3fad3cef664
parent 298906	a51e41ec23e20c9dfdc00a221d5025f9bea795a1
child 298908	5e15a686b21e21ccd2866ff4e08732acebc256f4
push id	30285
push user	cbook@mozilla.com
push date	Wed, 25 May 2016 13:06:07 +0000
treeherder	mozilla-central@d6d4e8417d2f [default view] [failures only]
perfherder	[talos] [build metrics] [platform microbench] (compared to previous push)
reviewers	bholley
bugs	1275452
milestone	49.0a1
first release with	nightly linux32 d6d4e8417d2f / 49.0a1 / 20160525063710 / files nightly linux64 d6d4e8417d2f / 49.0a1 / 20160525063710 / files nightly mac d6d4e8417d2f / 49.0a1 / 20160525063710 / files nightly win32 d6d4e8417d2f / 49.0a1 / 20160525063710 / files nightly win64 d6d4e8417d2f / 49.0a1 / 20160525063710 / files
last release without	nightly linux32 829d3be6ba64 / 49.0a1 / 20160524073714 / files nightly linux64 829d3be6ba64 / 49.0a1 / 20160524073714 / files nightly mac 829d3be6ba64 / 49.0a1 / 20160524073714 / files nightly win32 829d3be6ba64 / 49.0a1 / 20160524073714 / files nightly win64 829d3be6ba64 / 49.0a1 / 20160524073714 / files

--- a/layout/base/nsCSSFrameConstructor.cpp
+++ b/layout/base/nsCSSFrameConstructor.cpp
@@ -4236,16 +4236,23 @@ nsCSSFrameConstructor::GetAnonymousConte
       SetFlagsOnSubtree(content, NODE_IS_EDITABLE);
     }
     if (NS_FAILED(rv)) {
       content->UnbindFromTree();
       return rv;
     }
   }
 
+  if (ServoStyleSet* styleSet = mPresShell->StyleSet()->GetAsServo()) {
+    // Eagerly compute styles for the anonymous content tree.
+    for (auto& info : aContent) {
+      styleSet->RestyleSubtree(info.mContent);
+    }
+  }
+
   return NS_OK;
 }
 
 static
 bool IsXULDisplayType(const nsStyleDisplay* aDisplay)
 {
   return (aDisplay->mDisplay == NS_STYLE_DISPLAY_INLINE_BOX ||
 #ifdef MOZ_XUL