Bug 1370508 - Enable stylo on generic XML documents. r=heycam

MozReview-Commit-ID: 4XQ9RPQ7oa1

--HG--
extra : rebase_source : f5ffeaa615076035215f5ac1b9b39aa5cb15d618

dom/base/nsDocument.cpp

@@ -13224,8 +13224,7 @@ nsIDocument::UpdateStyleBackendType()
       mStyleBackendType = StyleBackendType::Servo;
     } else if (!mDocumentContainer) {
       NS_WARNING("stylo: No docshell yet, assuming Gecko style system");
-    } else if ((IsHTMLOrXHTML() || IsSVGDocument()) &&
-               IsContentDocument()) {
+    } else if (!IsXULDocument() && IsContentDocument()) {
       // Disable stylo for about: pages other than about:blank, since
       // they tend to use unsupported selectors like XUL tree pseudos.
       bool isAbout = false;

layout/reftests/w3c-css/failures.list

@@ -314,3 +314,7 @@ fuzzy(255,2808) css-multicol-1/multicol-rule-large-001.xht
 fails-if(!styloVsGecko) css-multicol-1/multicol-fill-auto-block-children-001.xht
 fails-if(!styloVsGecko) css-multicol-1/multicol-fill-auto-block-children-002.xht
 fails-if(!styloVsGecko) css-multicol-1/multicol-span-all-block-sibling-003.xht
+
+#### CSS Namespaces 3 ##############################################
+
+fails-if(stylo||styloVsGecko) css-namespaces-3/syntax-013.xml

layout/reftests/w3c-css/received/reftest.list

@@ -205,7 +205,7 @@ fails-if(!styloVsGecko) == css-multicol-1/multicol-zero-height-001.xht css-multi
 == css-namespaces-3/syntax-010.xml css-namespaces-3/reftest/ref-lime-3.xml
 == css-namespaces-3/syntax-011.xml css-namespaces-3/reftest/ref-lime-6.xml
 == css-namespaces-3/syntax-012.xml css-namespaces-3/reftest/ref-lime-3.xml
-== css-namespaces-3/syntax-013.xml css-namespaces-3/reftest/ref-lime-5.xml
+fails-if(stylo||styloVsGecko) == css-namespaces-3/syntax-013.xml css-namespaces-3/reftest/ref-lime-5.xml # bug 1388911
 == css-namespaces-3/syntax-014.xml css-namespaces-3/reftest/ref-lime-3.xml
 == css-namespaces-3/syntax-015.xml css-namespaces-3/reftest/ref-lime-1.xml
 fails-if(!styloVsGecko) == css-values-3/attr-color-invalid-cast.html css-values-3/reference/200-200-green.html

layout/xul/crashtests/crashtests.list

@@ -1,6 +1,6 @@
 load 131008-1.xul
 load 137216-1.xul
-load 140218-1.xml
+asserts-if(stylo,3) load 140218-1.xml
 load 151826-1.xul
 load 168724-1.xul
 load 189814-1.xul

testing/web-platform/meta/css/css-namespaces-3/syntax-013.xml.ini

@@ -0,0 +1,3 @@
+[syntax-013.xml]
+  type: reftest
+  expected: FAIL