Support Closure in ALL the loops!

base/task.cc

 // Copyright (c) 2011 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 "base/task.h"
 
 Task::Task() {
 }
 
 Task::~Task() {
@@ skipping 16 matching lines @@
     delete task_;
   }
 }
 
 Task* ScopedTaskRunner::Release() {
   Task* tmp = task_;
   task_ = NULL;
   return tmp;
 }
 
+namespace subtle {
+
+TaskClosureAdapter::TaskClosureAdapter(Task* task)
+    : task_(task),
+      should_leak_task_(&kTaskLeakingDefault) {
+}
+
+TaskClosureAdapter::TaskClosureAdapter(Task* task, bool* should_leak_task)
+    : task_(task),
+      should_leak_task_(should_leak_task) {
+}
+
+TaskClosureAdapter::~TaskClosureAdapter() {
+  if (!*should_leak_task_) {
+    delete task_;
+  }
+}
+
+void TaskClosureAdapter::Run() {
+  task_->Run();
+  delete task_;
+  task_ = NULL;
+}
+
+// Don't leak tasks by default.
+bool TaskClosureAdapter::kTaskLeakingDefault = false;
+
+}  // namespace subtle
+
 }  // namespace base