Require explicit selection of traits for LazyInstance

components/content_settings/core/browser/content_settings_registry.h

 // Copyright 2015 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 COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_REGISTRY_H_
 #define COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_REGISTRY_H_
 
 #include <map>
 #include <memory>
 #include <set>
@@ skipping 28 matching lines @@
   // Reset the instance for use inside tests.
   void ResetForTest();
 
   const ContentSettingsInfo* Get(ContentSettingsType type) const;
 
   const_iterator begin() const;
   const_iterator end() const;
 
  private:
   friend class ContentSettingsRegistryTest;
-  friend struct base::DefaultLazyInstanceTraits<ContentSettingsRegistry>;
+  friend struct base::LazyInstanceTraitsBase<ContentSettingsRegistry>;
 
   ContentSettingsRegistry();
   ContentSettingsRegistry(WebsiteSettingsRegistry* website_settings_registry);
   ~ContentSettingsRegistry();
 
   void Init();
 
   typedef uint32_t Platforms;
 
   // Register a new content setting. This maps an origin to an ALLOW/ASK/BLOCK
@@ skipping 10 matching lines @@
 
   Map content_settings_info_;
   WebsiteSettingsRegistry* website_settings_registry_;
 
   DISALLOW_COPY_AND_ASSIGN(ContentSettingsRegistry);
 };
 
 }  // namespace content_settings
 
 #endif  // COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_REGISTRY_H_