Remove stl_util's deletion function use from chrome/.

chrome/browser/plugins/plugin_finder.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 CHROME_BROWSER_PLUGINS_PLUGIN_FINDER_H_
 #define CHROME_BROWSER_PLUGINS_PLUGIN_FINDER_H_
 
 #include <map>
 #include <memory>
 #include <string>
@@ skipping 62 matching lines @@
   FRIEND_TEST_ALL_PREFIXES(PluginFinderTest, PluginGroups);
 
   PluginFinder();
   ~PluginFinder();
 
   // Loads the plugin information from the browser resources and parses it.
   // Returns NULL if the plugin list couldn't be parsed.
   static base::DictionaryValue* LoadBuiltInPluginList();
 
 #if BUILDFLAG(ENABLE_PLUGIN_INSTALLATION)
-  std::map<std::string, PluginInstaller*> installers_;
+  std::map<std::string, std::unique_ptr<PluginInstaller>> installers_;
 #endif
 
-  std::map<std::string, PluginMetadata*> identifier_plugin_;
+  std::map<std::string, std::unique_ptr<PluginMetadata>> identifier_plugin_;
 
   // Version of the metadata information. We use this to consolidate multiple
   // sources (baked into resource and fetched from a URL), making sure that we
   // don't overwrite newer versions with older ones.
   int version_;
 
   // Synchronization for the above member variables is
   // required since multiple threads can be accessing them concurrently.
   base::Lock mutex_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginFinder);
 };
 
 #endif  // CHROME_BROWSER_PLUGINS_PLUGIN_FINDER_H_