Support display: contents for elements, first-line and first-letter pseudos.

third_party/WebKit/Source/core/layout/LayoutObject.cpp

Index: third_party/WebKit/Source/core/layout/LayoutObject.cpp
diff --git a/third_party/WebKit/Source/core/layout/LayoutObject.cpp b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
index 70693ab1bb91a858754eb9e84fa5efa1e13bac08..7e4c683cb5ba9110853d4b62d9ddfec145e4350b 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
@@ -3059,14 +3059,14 @@ PassRefPtr<ComputedStyle> LayoutObject::getUncachedPseudoStyle(
 
   if (pseudoStyleRequest.pseudoId == PseudoIdFirstLineInherited) {
     RefPtr<ComputedStyle> result =
-        document().ensureStyleResolver().styleForElement(element, parentStyle,
-                                                         DisallowStyleSharing);
+        document().ensureStyleResolver().styleForElement(
+            element, parentStyle, parentStyle, DisallowStyleSharing);
     result->setStyleType(PseudoIdFirstLineInherited);
     return result.release();
   }
 
   return document().ensureStyleResolver().pseudoStyleForElement(
-      element, pseudoStyleRequest, parentStyle);
+      element, pseudoStyleRequest, parentStyle, parentStyle);
 }
 
 PassRefPtr<ComputedStyle>