Split Closure part of TestPendingTask out of the struct

base/test/test_simple_task_runner.h

Index: base/test/test_simple_task_runner.h
diff --git a/base/test/test_simple_task_runner.h b/base/test/test_simple_task_runner.h
index d089ba8a0bfacbe0cfbcec0bd64219a5b9cc6051..578474916809669438dbb263ca4e6dcf051e1b58 100644
--- a/base/test/test_simple_task_runner.h
+++ b/base/test/test_simple_task_runner.h
@@ -11,7 +11,7 @@
 #include "base/macros.h"
 #include "base/single_thread_task_runner.h"
 #include "base/synchronization/lock.h"
-#include "base/test/test_pending_task.h"
+#include "base/test/test_pending_task_info.h"
 #include "base/threading/platform_thread.h"
 
 namespace base {
@@ -51,7 +51,7 @@ class TestSimpleTaskRunner : public SingleThreadTaskRunner {
 
   bool RunsTasksOnCurrentThread() const override;
 
-  std::deque<TestPendingTask> TakePendingTasks();
+  TestPendingTaskQueue TakePendingTasks();
   size_t NumPendingTasks() const;
   bool HasPendingTask() const;
   base::TimeDelta NextPendingTaskDelay() const;
@@ -79,7 +79,7 @@ class TestSimpleTaskRunner : public SingleThreadTaskRunner {
   // Synchronizes access to |pending_tasks_|.
   mutable Lock lock_;
 
-  std::deque<TestPendingTask> pending_tasks_;
+  TestPendingTaskQueue pending_tasks_;
 
   DISALLOW_COPY_AND_ASSIGN(TestSimpleTaskRunner);
 };