RefCounted types should not have public destructors, media/ and gpu/ edition

gpu/command_buffer/service/feature_info.h

 // Copyright (c) 2012 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 GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_
 #define GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_
 
 #include <string>
 #include "base/memory/ref_counted.h"
 #include "gpu/command_buffer/service/gles2_cmd_decoder.h"
@@ skipping 36 matching lines @@
     bool chromium_stream_texture;
     bool angle_translated_shader_source;
     bool angle_pack_reverse_row_order;
     bool arb_texture_rectangle;
     bool angle_instanced_arrays;
     bool occlusion_query_boolean;
     bool use_arb_occlusion_query2_for_occlusion_query_boolean;
   };
 
   FeatureInfo();
-  ~FeatureInfo();
 
   // If allowed features = NULL or "*", all features are allowed. Otherwise
   // only features that match the strings in allowed_features are allowed.
   bool Initialize(const char* allowed_features);
   bool Initialize(const DisallowedFeatures& disallowed_features,
                   const char* allowed_features);
 
   // Turns on certain features if they can be turned on. NULL turns on
   // all available features.
   void AddFeatures(const char* desired_features);
 
   const Validators* validators() const {
     return &validators_;
   }
 
   const std::string& extensions() const {
     return extensions_;
   }
 
   const FeatureFlags& feature_flags() const {
     return feature_flags_;
   }
 
  private:
+  friend class base::RefCounted<FeatureInfo>;
+  ~FeatureInfo();
+
   void AddExtensionString(const std::string& str);
 
   Validators validators_;
 
   DisallowedFeatures disallowed_features_;
 
   // The extensions string returned by glGetString(GL_EXTENSIONS);
   std::string extensions_;
 
   // Flags for some features
   FeatureFlags feature_flags_;
 
   DISALLOW_COPY_AND_ASSIGN(FeatureInfo);
 };
 
 }  // namespace gles2
 }  // namespace gpu
 
 #endif  // GPU_COMMAND_BUFFER_SERVICE_FEATURE_INFO_H_