Introduce AfterStartupTaskUtils::Runner for callsites that want to use AfterStartupTaskUtils but ne…

chrome/browser/after_startup_task_utils.cc

Index: chrome/browser/after_startup_task_utils.cc
diff --git a/chrome/browser/after_startup_task_utils.cc b/chrome/browser/after_startup_task_utils.cc
index 0d0eab653c4381260cd7a7291e3dfc8927f07c68..c5c29e8b8cb599f7305a2df9b0a82abce8dd1e7c 100644
--- a/chrome/browser/after_startup_task_utils.cc
+++ b/chrome/browser/after_startup_task_utils.cc
@@ -192,6 +192,27 @@ void StartupObserver::Start() {
 
 }  // namespace
 
+AfterStartupTaskUtils::Runner::Runner(
+    scoped_refptr<base::TaskRunner> destination_runner)
+    : destination_runner_(std::move(destination_runner)) {
+  DCHECK(destination_runner_);
+}
+
+AfterStartupTaskUtils::Runner::~Runner() = default;
+
+bool AfterStartupTaskUtils::Runner::PostDelayedTask(
+    const tracked_objects::Location& from_here,
+    const base::Closure& task,
+    base::TimeDelta delay) {
+  DCHECK(delay.is_zero());
+  AfterStartupTaskUtils::PostTask(from_here, destination_runner_, task);
+  return true;
+}
+
+bool AfterStartupTaskUtils::Runner::RunsTasksOnCurrentThread() const {
+  return destination_runner_->RunsTasksOnCurrentThread();
+}
+
 void AfterStartupTaskUtils::StartMonitoringStartup() {
   // The observer is self-deleting.
   (new StartupObserver)->Start();
@@ -199,15 +220,15 @@ void AfterStartupTaskUtils::StartMonitoringStartup() {
 
 void AfterStartupTaskUtils::PostTask(
     const tracked_objects::Location& from_here,
-    const scoped_refptr<base::TaskRunner>& task_runner,
+    const scoped_refptr<base::TaskRunner>& destination_runner,
     const base::Closure& task) {
   if (IsBrowserStartupComplete()) {
-    task_runner->PostTask(from_here, task);
+    destination_runner->PostTask(from_here, task);
     return;
   }
 
   std::unique_ptr<AfterStartupTask> queued_task(
-      new AfterStartupTask(from_here, task_runner, task));
+      new AfterStartupTask(from_here, destination_runner, task));
   QueueTask(std::move(queued_task));
 }