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 68baec2858e10ef18b15fd7e1892c1b891a5824f..cdc5af4d8a2cede6fc2639df351ec74e58004d7f 100644
--- a/third_party/WebKit/Source/core/layout/LayoutObject.cpp
+++ b/third_party/WebKit/Source/core/layout/LayoutObject.cpp
@@ -3046,14 +3046,14 @@ 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>