Move Singleton and related structs to namespace base

content/browser/plugin_service_impl.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.
 
 // This class responds to requests from renderers for the list of plugins, and
 // also a proxy object for plugin instances.
 
 #ifndef CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
 #define CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_
 
@@ skipping 139 matching lines @@
                                 const base::FilePath& path,
                                 PpapiPluginProcessHost::BrokerClient* client);
 
   // Cancels opening a channel to a NPAPI plugin.
   void CancelOpenChannelToNpapiPlugin(PluginProcessHost::Client* client);
 
   // Used to monitor plugin stability.
   void RegisterPluginCrash(const base::FilePath& plugin_path);
 
  private:
-  friend struct DefaultSingletonTraits<PluginServiceImpl>;
+  friend struct base::DefaultSingletonTraits<PluginServiceImpl>;
 
   // Creates the PluginServiceImpl object, but doesn't actually build the plugin
   // list yet.  It's generated lazily.
   PluginServiceImpl();
   ~PluginServiceImpl() override;
 
 #if defined(OS_WIN)
   void OnKeyChanged(base::win::RegKey* key);
 #endif
 
@@ skipping 76 matching lines @@
 
   // Used to detect if a given plugin is crashing over and over.
   std::map<base::FilePath, std::vector<base::Time> > crash_times_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginServiceImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_PLUGIN_SERVICE_IMPL_H_