Backed out changeset 8ce27eeef766 (bug 1402094) for bustage on Android: dom/base/nsDocument.cpp:13613: 'bool ShouldUseGeckoBackend(nsIURI*)' defined but not used. r=backout

dom/base/nsDocument.cpp

@@ -13608,27 +13608,6 @@ nsIDocument::ReportHasScrollLinkedEffect()
                                   "ScrollLinkedEffectFound2");
 }
 
-// URL-based blacklist for stylo.
-static bool
-ShouldUseGeckoBackend(nsIURI* aDocumentURI)
-{
-  if (!aDocumentURI) {
-    return false;
-  }
-  bool isScheme = false;
-  if (NS_SUCCEEDED(aDocumentURI->SchemeIs("about", &isScheme))) {
-    nsAutoCString path;
-    aDocumentURI->GetFilePath(path);
-    // about:reader requires support of :scope pseudo-class so we have
-    // to use Gecko backend for now. See bug 1402094.
-    // This should be fixed by bug 1204818.
-    if (path.EqualsLiteral("reader")) {
-      return true;
-    }
-  }
-  return false;
-}
-
 void
 nsIDocument::UpdateStyleBackendType()
 {
@@ -13647,7 +13626,7 @@ nsIDocument::UpdateStyleBackendType()
     // Note that, since tests can have XUL support, we still need to
     // explicitly exclude XUL documents here.
     if (!nsContentUtils::IsSystemPrincipal(NodePrincipal()) &&
-        !IsXULDocument() && !ShouldUseGeckoBackend(mDocumentURI)) {
+        !IsXULDocument()) {
       mStyleBackendType = StyleBackendType::Servo;
     }
   }