Removed dead code from chrome/browser/extensions/api/declarative

chrome/browser/extensions/api/declarative/rules_registry_with_cache.h

Index: chrome/browser/extensions/api/declarative/rules_registry_with_cache.h
diff --git a/chrome/browser/extensions/api/declarative/rules_registry_with_cache.h b/chrome/browser/extensions/api/declarative/rules_registry_with_cache.h
index c7260e4dd2512c5eb00e925b7fdf3e1dd849a456..a1a0fe2fea4ef74dd6de531845393fc55ac17cca 100644
--- a/chrome/browser/extensions/api/declarative/rules_registry_with_cache.h
+++ b/chrome/browser/extensions/api/declarative/rules_registry_with_cache.h
@@ -36,14 +36,6 @@ class RulesRegistryWithCache : public RulesRegistry {
 
   explicit RulesRegistryWithCache(Delegate* delegate);
 
-  // Returns true if we are ready to process rules.
-  bool IsReady() {
-    return !delegate_.get() || delegate_->IsReady();
-  }
-
-  // Add a callback to call when we transition to Ready.
-  void AddReadyCallback(const base::Closure& callback);
-
   // Called by our delegate when we are ready. This is called exactly once,
   // if we have a delegate.
   void OnReady();