Stop passing raw pointers to base::Value API in c/b/ui

chrome/browser/ui/webui/foreign_session_handler.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/ui/webui/foreign_session_handler.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <memory>
@@ skipping 103 matching lines @@
     if (tab_value.get()) {
       modification_time = std::max(modification_time,
                                    tab->timestamp);
       tab_values->Append(std::move(tab_value));
     }
   }
   if (tab_values->GetSize() == 0)
     return nullptr;
   std::unique_ptr<base::DictionaryValue> dictionary(
       BuildWindowData(window.timestamp, window.window_id.id()));
-  dictionary->Set("tabs", tab_values.release());
+  dictionary->Set("tabs", std::move(tab_values));
   return dictionary;
 }
 
 }  // namespace
 
 ForeignSessionHandler::ForeignSessionHandler() : scoped_observer_(this) {
   load_attempt_time_ = base::TimeTicks::Now();
 }
 
 ForeignSessionHandler::~ForeignSessionHandler() {}
@@ skipping 181 matching lines @@
           std::unique_ptr<base::DictionaryValue> tab_value(
               SessionTabToValue(*tab));
           if (tab_value.get()) {
             modification_time = std::max(modification_time, tab->timestamp);
             tab_values->Append(std::move(tab_value));
           }
         }
         if (tab_values->GetSize() != 0) {
           std::unique_ptr<base::DictionaryValue> window_data(
               BuildWindowData(modification_time, 1));
-          window_data->Set("tabs", tab_values.release());
+          window_data->Set("tabs", std::move(tab_values));
           window_list->Append(std::move(window_data));
         }
       }
 
-      session_data->Set("windows", window_list.release());
+      session_data->Set("windows", std::move(window_list));
       session_list.Append(std::move(session_data));
     }
   }
   web_ui()->CallJavascriptFunctionUnsafe("setForeignSessions", session_list);
 }
 
 void ForeignSessionHandler::HandleOpenForeignSession(
     const base::ListValue* args) {
   size_t num_args = args->GetSize();
   // Expect either 1 or 8 args. For restoring an entire session, only
@@ skipping 85 matching lines @@
   // collapsed state persists.
   PrefService* prefs = Profile::FromWebUI(web_ui())->GetPrefs();
   DictionaryPrefUpdate update(prefs, prefs::kNtpCollapsedForeignSessions);
   if (is_collapsed)
     update.Get()->SetBoolean(session_tag, true);
   else
     update.Get()->Remove(session_tag, NULL);
 }
 
 }  // namespace browser_sync