Remove service worker concepts from _api_features.json

extensions/common/features/complex_feature.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
 #define EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_
 
 #include <set>
 #include <string>
 
@@ skipping 21 matching lines @@
                                              int manifest_version,
                                              Platform platform) const OVERRIDE;
 
   virtual Availability IsAvailableToContext(const Extension* extension,
                                             Context context,
                                             const GURL& url,
                                             Platform platform) const OVERRIDE;
 
   virtual bool IsIdInBlacklist(const std::string& extension_id) const OVERRIDE;
   virtual bool IsIdInWhitelist(const std::string& extension_id) const OVERRIDE;
-  virtual bool IsBlockedInServiceWorker() const OVERRIDE;
 
  protected:
   // extensions::Feature:
   virtual std::string GetAvailabilityMessage(
       AvailabilityResult result,
       Manifest::Type type,
       const GURL& url,
       Context context) const OVERRIDE;
 
   virtual bool IsInternal() const OVERRIDE;
 
  private:
   FeatureList features_;
 
   DISALLOW_COPY_AND_ASSIGN(ComplexFeature);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_COMMON_FEATURES_COMPLEX_FEATURE_H_