Remove includeEmptyRules.

sky/engine/core/css/resolver/StyleResolver.cpp

Index: sky/engine/core/css/resolver/StyleResolver.cpp
diff --git a/sky/engine/core/css/resolver/StyleResolver.cpp b/sky/engine/core/css/resolver/StyleResolver.cpp
index 1cc25dac442a21421ad4db2f28c49033aae88556..34ec48025d65e7711373fc40e16e6e020872356b 100644
--- a/sky/engine/core/css/resolver/StyleResolver.cpp
+++ b/sky/engine/core/css/resolver/StyleResolver.cpp
@@ -233,16 +233,13 @@ void StyleResolver::matchAuthorRules(Element* element, ElementRuleCollector& col
     CascadeScope cascadeScope = 0;
     CascadeOrder cascadeOrder = 0;
 
-    // TODO(esprehn): Remove this.
-    bool includeEmptyRules = false;
-
     // TODO(esprehn): This can only match :host rules, we should just store
     // them in a separate RuleSet.
     if (ShadowRoot* shadowRoot = element->shadowRoot())
-        shadowRoot->scopedStyleResolver().collectMatchingAuthorRules(collector, includeEmptyRules, cascadeScope, cascadeOrder++);
+        shadowRoot->scopedStyleResolver().collectMatchingAuthorRules(collector, cascadeScope, cascadeOrder++);
 
     ScopedStyleResolver& resolver = element->treeScope().scopedStyleResolver();
-    resolver.collectMatchingAuthorRules(collector, includeEmptyRules, cascadeScope, cascadeOrder);
+    resolver.collectMatchingAuthorRules(collector, cascadeScope, cascadeOrder);
 
     collector.sortAndTransferMatchedRules();
 }