create promo for debug.

third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h

Index: third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h
diff --git a/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h b/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h
index 6a57b4f972324d80a856e0c88a5c19498d6236cd..e72980c4e28b807590ed8d26d020efa97cce8279 100644
--- a/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h
+++ b/third_party/WebKit/Source/core/css/resolver/ScopedStyleResolver.h
@@ -81,6 +81,7 @@ class ScopedStyleResolver final
   static ContainerNode& InvalidationRootForTreeScope(const TreeScope&);
   CORE_EXPORT static bool HaveSameStyles(const ScopedStyleResolver*,
                                          const ScopedStyleResolver*);
+  void AddKeyframeRules(const RuleSet&);
 
   DECLARE_TRACE();
 
@@ -90,7 +91,6 @@ class ScopedStyleResolver final
   void AddTreeBoundaryCrossingRules(const RuleSet&,
                                     CSSStyleSheet*,
                                     unsigned sheet_index);
-  void AddKeyframeRules(const RuleSet&);
   void AddFontFaceRules(const RuleSet&);
   void AddKeyframeStyle(StyleRuleKeyframes*);