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

chrome/browser/metrics/plugin_metrics_provider.cc

 // Copyright 2014 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/metrics/plugin_metrics_provider.h"
 
 #include <stddef.h>
 
+#include <memory>
 #include <string>
+#include <utility>
 
 #include "base/stl_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "base/time/time.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/plugins/plugin_prefs.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/pref_names.h"
 #include "components/metrics/proto/system_profile.pb.h"
@@ skipping 241 matching lines @@
   // Now go through and add dictionaries for plugins that didn't already have
   // reports in Local State.
   for (auto cache_iter = child_process_stats_buffer_.begin();
        cache_iter != child_process_stats_buffer_.end(); ++cache_iter) {
     ChildProcessStats stats = cache_iter->second;
 
     // Insert only plugins information into the plugins list.
     if (!IsPluginProcess(stats.process_type))
       continue;
 
-    base::DictionaryValue* plugin_dict = new base::DictionaryValue;
+    std::unique_ptr<base::DictionaryValue> plugin_dict(
+        new base::DictionaryValue);
 
     plugin_dict->SetString(prefs::kStabilityPluginName, cache_iter->first);
     plugin_dict->SetInteger(prefs::kStabilityPluginLaunches,
                             stats.process_launches);
     plugin_dict->SetInteger(prefs::kStabilityPluginCrashes,
                             stats.process_crashes);
     plugin_dict->SetInteger(prefs::kStabilityPluginInstances,
                             stats.instances);
     plugin_dict->SetInteger(prefs::kStabilityPluginLoadingErrors,
                             stats.loading_errors);
-    plugins->Append(plugin_dict);
+    plugins->Append(std::move(plugin_dict));
   }
   child_process_stats_buffer_.clear();
 }
 
 void PluginMetricsProvider::LogPluginLoadingError(
     const base::FilePath& plugin_path) {
   content::WebPluginInfo plugin;
   bool success =
       content::PluginService::GetInstance()->GetPluginInfoByPath(plugin_path,
                                                                  &plugin);
@@ skipping 81 matching lines @@
 }
 
 bool PluginMetricsProvider::RecordCurrentStateIfPending() {
   if (!weak_ptr_factory_.HasWeakPtrs())
     return false;
 
   weak_ptr_factory_.InvalidateWeakPtrs();
   RecordCurrentState();
   return true;
 }