Fix WeakPtrFactory member ordering in extensions

extensions/browser/api/declarative/rules_registry.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 EXTENSIONS_BROWSER_API_DECLARATIVE_RULES_REGISTRY_H__
 #define EXTENSIONS_BROWSER_API_DECLARATIVE_RULES_REGISTRY_H__
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 223 matching lines @@
 
   // The key that identifies the context in which these rules apply.
   WebViewKey webview_key_;
 
   RulesDictionary rules_;
 
   // Signaled when we have finished reading from storage for all extensions that
   // are loaded on startup.
   OneShotEvent ready_;
 
-  // The factory needs to be declared before |cache_delegate_|, so that it can
-  // produce a pointer as a construction argument for |cache_delegate_|.
-  base::WeakPtrFactory<RulesRegistry> weak_ptr_factory_;
-
-  // |cache_delegate_| is owned by the registry service. If |cache_delegate_| is
-  // NULL, then the storage functionality is disabled (this is used in tests).
-  // This registry cannot own |cache_delegate_| because during the time after
-  // rules registry service shuts down on UI thread, and the registry is
-  // destroyed on its thread, the use of the |cache_delegate_| would not be
-  // safe. The registry only ever associates with one RulesCacheDelegate
-  // instance.
-  base::WeakPtr<RulesCacheDelegate> cache_delegate_;
-
   ProcessStateMap process_changed_rules_requested_;
 
   // Returns whether any existing rule is registered with identifier |rule_id|
   // for extension |extension_id|.
   bool IsUniqueId(const std::string& extension_id,
                   const std::string& rule_id) const;
 
   // Creates an ID that is unique within the scope of|extension_id|.
   std::string GenerateUniqueId(const std::string& extension_id);
 
@@ skipping 14 matching lines @@
 
   // Same as RemoveUsedRuleIdentifiers but operates on all rules of
   // |extension_id|.
   void RemoveAllUsedRuleIdentifiers(const std::string& extension_id);
 
   typedef std::string RuleIdentifier;
   typedef std::map<ExtensionId, std::set<RuleIdentifier> > RuleIdentifiersMap;
   RuleIdentifiersMap used_rule_identifiers_;
   int last_generated_rule_identifier_id_;
 
+  // The factory needs to be declared before |cache_delegate_|, so that it can
+  // produce a pointer as a construction argument for |cache_delegate_|.
+  base::WeakPtrFactory<RulesRegistry> weak_ptr_factory_;
+
+  // |cache_delegate_| is owned by the registry service. If |cache_delegate_| is
+  // NULL, then the storage functionality is disabled (this is used in tests).
+  // This registry cannot own |cache_delegate_| because during the time after
+  // rules registry service shuts down on UI thread, and the registry is
+  // destroyed on its thread, the use of the |cache_delegate_| would not be
+  // safe. The registry only ever associates with one RulesCacheDelegate
+  // instance.
+  base::WeakPtr<RulesCacheDelegate> cache_delegate_;
+
   DISALLOW_COPY_AND_ASSIGN(RulesRegistry);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_API_DECLARATIVE_RULES_REGISTRY_H__