Rewrite simple uses of base::ListValue::Append() taking a raw pointer var.

chrome/browser/plugins/plugin_prefs.cc

 // 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.
 
 #include "chrome/browser/plugins/plugin_prefs.h"
 
 #include <stddef.h>
 
 #include <memory>
 #include <string>
+#include <utility>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/location.h"
 #include "base/path_service.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/pattern.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
@@ skipping 453 matching lines @@
 
   base::FilePath internal_dir;
   if (PathService::Get(chrome::DIR_INTERNAL_PLUGINS, &internal_dir))
     prefs_->SetFilePath(prefs::kPluginsLastInternalDirectory, internal_dir);
 
   base::AutoLock auto_lock(lock_);
 
   // Add the plugin files.
   std::set<base::string16> group_names;
   for (size_t i = 0; i < plugins.size(); ++i) {
-    base::DictionaryValue* summary = new base::DictionaryValue();
+    std::unique_ptr<base::DictionaryValue> summary(new base::DictionaryValue());
     summary->SetString("path", plugins[i].path.value());
     summary->SetString("name", plugins[i].name);
     summary->SetString("version", plugins[i].version);
     bool enabled = true;
     plugin_state_.Get(plugins[i].path, &enabled);
     summary->SetBoolean("enabled", enabled);
-    plugins_list->Append(summary);
+    plugins_list->Append(std::move(summary));
 
     std::unique_ptr<PluginMetadata> plugin_metadata(
         finder->GetPluginMetadata(plugins[i]));
     // Insert into a set of all group names.
     group_names.insert(plugin_metadata->name());
   }
 
   // Add the plugin groups.
   for (std::set<base::string16>::const_iterator it = group_names.begin();
       it != group_names.end(); ++it) {
-    base::DictionaryValue* summary = new base::DictionaryValue();
+    std::unique_ptr<base::DictionaryValue> summary(new base::DictionaryValue());
     summary->SetString("name", *it);
     bool enabled = true;
     std::map<base::string16, bool>::iterator gstate_it =
         plugin_group_state_.find(*it);
     if (gstate_it != plugin_group_state_.end())
       enabled = gstate_it->second;
     summary->SetBoolean("enabled", enabled);
-    plugins_list->Append(summary);
+    plugins_list->Append(std::move(summary));
   }
 }
 
 void PluginPrefs::NotifyPluginStatusChanged() {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_PLUGIN_ENABLE_STATUS_CHANGED,
       content::Source<Profile>(profile_),
       content::NotificationService::NoDetails());
 }