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

ios/chrome/app/application_delegate/app_state.mm

Index: ios/chrome/app/application_delegate/app_state.mm
diff --git a/ios/chrome/app/application_delegate/app_state.mm b/ios/chrome/app/application_delegate/app_state.mm
index 4227e4d4c1b06bde98946626c1c0785599e07956..6c0bc350f2bce389dae67030313d8cc58937ffe1 100644
--- a/ios/chrome/app/application_delegate/app_state.mm
+++ b/ios/chrome/app/application_delegate/app_state.mm
@@ -4,11 +4,13 @@
 
 #import "ios/chrome/app/application_delegate/app_state.h"
 
+#include <utility>
+
+#include "base/callback.h"
 #include "base/critical_closure.h"
 #import "base/mac/bind_objc_block.h"
 #include "base/metrics/histogram_macros.h"
 #include "components/metrics/metrics_service.h"
-#import "ios/chrome/app/main_application_delegate.h"
 #import "ios/chrome/app/application_delegate/app_navigation.h"
 #import "ios/chrome/app/application_delegate/browser_launcher.h"
 #import "ios/chrome/app/application_delegate/memory_warning_helper.h"
@@ -18,6 +20,7 @@
 #import "ios/chrome/app/application_delegate/tab_switching.h"
 #import "ios/chrome/app/application_delegate/user_activity_handler.h"
 #import "ios/chrome/app/deferred_initialization_runner.h"
+#import "ios/chrome/app/main_application_delegate.h"
 #import "ios/chrome/app/safe_mode/safe_mode_coordinator.h"
 #import "ios/chrome/app/safe_mode_crashing_modules_config.h"
 #include "ios/chrome/browser/application_context.h"
@@ -47,8 +50,8 @@
 
 namespace {
 // Helper method to post |closure| on the UI thread.
-void PostTaskOnUIThread(const base::Closure& closure) {
-  web::WebThread::PostTask(web::WebThread::UI, FROM_HERE, closure);
+void PostTaskOnUIThread(base::Closure closure) {
+  web::WebThread::PostTask(web::WebThread::UI, FROM_HERE, std::move(closure));
 }
 NSString* const kStartupAttemptReset = @"StartupAttempReset";
 }  // namespace