[test-not-for-commit] Strict Lazy Parsing

third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp

Index: third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp
diff --git a/third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp b/third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp
index b2d57673d0ddc37c8af0cb2bcc3343c4a3ddecf1..40c2896c6a9d14a72a56e374145cbafd385d7c3d 100644
--- a/third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp
+++ b/third_party/WebKit/Source/core/css/parser/CSSParserImpl.cpp
@@ -780,10 +780,12 @@ StyleRule* CSSParserImpl::consumeStyleRule(CSSParserTokenRange prelude,
   } else if (m_deferPropertyParsing &&
              shouldLazilyParseProperties(selectorList)) {
     DCHECK(m_styleSheet);
-    return StyleRule::createLazy(
+    auto s = StyleRule::createLazy(
         std::move(selectorList),
         createDeferredPropertiesClosure(block, m_styleSheet->parserContext(),
                                         m_context.useCounter()));
+    s->properties();
+    return s;
   }
   consumeDeclarationList(block, StyleRule::Style);
   return StyleRule::create(