font-variant-caps should accept all-small-caps and all-petite-caps

[Manishearth]

This change is 

[highfive]

Heads up! This PR modifies the following files:

• @bholley: components/style/properties/longhand/font.mako.rs
• @emilio: components/style/properties/longhand/font.mako.rs

[highfive]

Warning

• These commits modify style code, but no tests are modified. Please consider adding a test!

[Manishearth]

http://searchfox.org/mozilla-central/source/layout/style/nsCSSProps.cpp#1609

[Manishearth]

try @ https://treeherder.mozilla.org/#/jobs?repo=try&revision=cfe1fc634ee2c0699aed066ced0db9e562ee0fcd

[jryans]

@bors-servo r+

[bors-servo]

📌 Commit f80690f has been approved by jryans

[Manishearth]

Test expectation update

diff --git a/layout/reftests/font-features/reftest.list b/layout/reftests/font-features/reftest.list
index 4c7d478..88bc34c 100644
--- a/layout/reftests/font-features/reftest.list
+++ b/layout/reftests/font-features/reftest.list
@@ -60,7 +60,7 @@ HTTP(..) == annotations.html annotations-ref.html
 # test for specific features being on and others off, based on prop values
 # (debug problems with font-variant-debug.html which displays all props)
 fails-if(stylo) HTTP(..) == font-variant-alternates.html font-variant-alternates-ref.html
-fails-if(stylo) HTTP(..) == font-variant-caps.html font-variant-caps-ref.html
+HTTP(..) == font-variant-caps.html font-variant-caps-ref.html
 HTTP(..) == font-variant-east-asian.html font-variant-east-asian-ref.html
 HTTP(..) == font-variant-ligatures.html font-variant-ligatures-ref.html
 HTTP(..) == font-variant-numeric.html font-variant-numeric-ref.html
@@ -99,14 +99,14 @@ random-if(!winWidget&&!cocoaWidget) fails-if(winWidget||cocoaWidget) HTTP(..) ==
 HTTP(..) != caps-fallback-smallcaps1.html caps-fallback-default.html
 HTTP(..) != caps-fallback-smallcaps2.html caps-fallback-default.html
 HTTP(..) != caps-fallback-petitecaps.html caps-fallback-default.html
-fails-if(stylo) HTTP(..) != caps-fallback-allsmallcaps.html caps-fallback-default.html
-fails-if(stylo) HTTP(..) != caps-fallback-allpetitecaps.html caps-fallback-default.html
+HTTP(..) != caps-fallback-allsmallcaps.html caps-fallback-default.html
+HTTP(..) != caps-fallback-allpetitecaps.html caps-fallback-default.html
 # -- normal or fallback rendering
 HTTP(..) == caps-fallback-smallcaps1.html caps-fallback-smcp.html
 HTTP(..) == caps-fallback-smallcaps2.html caps-fallback-smcp.html
 HTTP(..) == caps-fallback-petitecaps.html caps-fallback-smcp.html
-fails-if(stylo) HTTP(..) == caps-fallback-allsmallcaps.html caps-fallback-smcpc2sc.html
-fails-if(stylo) HTTP(..) == caps-fallback-allpetitecaps.html caps-fallback-smcpc2sc.html
+HTTP(..) == caps-fallback-allsmallcaps.html caps-fallback-smcpc2sc.html
+HTTP(..) == caps-fallback-allpetitecaps.html caps-fallback-smcpc2sc.html
 
 # font-variant-position fallback
 random-if(cocoaWidget||Android) HTTP(..) == subsuper-fallback.html subsuper-fallback-ref.html # bug 1139269
diff --git a/layout/style/test/stylo-failures.md b/layout/style/test/stylo-failures.md
index f7bf802..2126bee 100644
--- a/layout/style/test/stylo-failures.md
+++ b/layout/style/test/stylo-failures.md
@@ -123,7 +123,7 @@ to mochitest command.
     * test_align_shorthand_serialization.html [8]
   * font-variant-{alternates,east-asian,ligatures,numeric} properties servo/servo#15957
     * test_property_syntax_errors.html `font-variant-alternates` [2]
-    * test_value_storage.html `font-variant` [176]
+    * test_value_storage.html `font-variant` [167]
     * test_specified_value_serialization.html `bug-721136` [1]
 * Properties implemented but not in geckolib:
   * font-feature-settings property servo/servo#15975

[bors-servo]

⌛ Testing commit f80690f with merge 7c6cc8d...

[bors-servo]

💔 Test failed - mac-dev-unit

[jdm]

@bors-servo: retry

• #16644

[bors-servo]

⌛ Testing commit f80690f with merge c260beb...

[bors-servo]

☀️ Test successful - android, arm32, arm64, linux-dev, linux-rel-css, linux-rel-wpt, mac-dev-unit, mac-rel-css, mac-rel-wpt1, mac-rel-wpt2, windows-msvc-dev
Approved by: jryans
Pushing c260beb to master...