Convert chrome/common to std::unique_ptr

chrome/common/extensions/api/plugins/plugins_handler.h

 // Copyright (c) 2013 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_COMMON_EXTENSIONS_API_PLUGINS_PLUGINS_HANDLER_H_
 #define CHROME_COMMON_EXTENSIONS_API_PLUGINS_PLUGINS_HANDLER_H_
 
+#include <memory>
 #include <string>
 
 #include "base/macros.h"
-#include "base/memory/scoped_ptr.h"
 #include "extensions/common/extension.h"
 #include "extensions/common/manifest_handler.h"
 
 namespace extensions {
 
 // An NPAPI plugin included in the extension.
 struct PluginInfo {
   typedef std::vector<PluginInfo> PluginVector;
 
   PluginInfo(const base::FilePath& plugin_path, bool plugin_is_public);
@@ skipping 22 matching lines @@
 
  private:
   const std::vector<std::string> Keys() const override;
 
   DISALLOW_COPY_AND_ASSIGN(PluginsHandler);
 };
 
 }  // namespace extensions
 
 #endif  // CHROME_COMMON_EXTENSIONS_API_PLUGINS_PLUGINS_HANDLER_H_