Pass Callback to TaskRunner by value and consume it on invocation (1)

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 1042 matching lines @@
 #endif
 
   chrome::AddMetricsExtraParts(main_parts);
 
   return main_parts;
 }
 
 void ChromeContentBrowserClient::PostAfterStartupTask(
     const tracked_objects::Location& from_here,
     const scoped_refptr<base::TaskRunner>& task_runner,
-    const base::Closure& task) {
-  AfterStartupTaskUtils::PostTask(from_here, task_runner, task);
+    base::Closure task) {
+  AfterStartupTaskUtils::PostTask(from_here, task_runner, std::move(task));
 }
 
 bool ChromeContentBrowserClient::IsBrowserStartupComplete() {
   return AfterStartupTaskUtils::IsBrowserStartupComplete();
 }
 
 std::string ChromeContentBrowserClient::GetStoragePartitionIdForSite(
     content::BrowserContext* browser_context,
     const GURL& site) {
   std::string partition_id;
@@ skipping 2477 matching lines @@
     RedirectNonUINonIOBrowserThreadsToTaskScheduler() {
   return variations::GetVariationParamValue(
              "BrowserScheduler", "RedirectNonUINonIOBrowserThreads") == "true";
 }
 
 // static
 void ChromeContentBrowserClient::SetDefaultQuotaSettingsForTesting(
     const storage::QuotaSettings* settings) {
   g_default_quota_settings = settings;
 }