CancelableTaskTracker::PostDelayedTask() support

base/task_runner.cc

Index: base/task_runner.cc
diff --git a/base/task_runner.cc b/base/task_runner.cc
index 262e1f8b09eac8d9f91b4113ddeccc27a33323ad..52ac0bb5ee2364d09ba360fdec463a9474b613b9 100644
--- a/base/task_runner.cc
+++ b/base/task_runner.cc
@@ -7,6 +7,7 @@
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/threading/post_task_and_reply_impl.h"
+#include "base/time/time.h"
 
 namespace base {
 
@@ -22,6 +23,8 @@ class PostTaskAndReplyTaskRunner : public internal::PostTaskAndReplyImpl {
  private:
   bool PostTask(const tracked_objects::Location& from_here,
                 const Closure& task) override;
+  bool PostDelayedTask(const tracked_objects::Location& from_here,
+                       const Closure& task, const TimeDelta& delay) override;
 
   // Non-owning.
   TaskRunner* destination_;
@@ -38,11 +41,18 @@ bool PostTaskAndReplyTaskRunner::PostTask(
   return destination_->PostTask(from_here, task);
 }
 
+bool PostTaskAndReplyTaskRunner::PostDelayedTask(
+    const tracked_objects::Location& from_here,
+    const Closure& task,
+    const TimeDelta& delay) {
+  return destination_->PostDelayedTask(from_here, task, delay);
+}
+
 }  // namespace
 
 bool TaskRunner::PostTask(const tracked_objects::Location& from_here,
                           const Closure& task) {
-  return PostDelayedTask(from_here, task, base::TimeDelta());
+  return PostDelayedTask(from_here, task, TimeDelta());
 }
 
 bool TaskRunner::PostTaskAndReply(
@@ -53,6 +63,15 @@ bool TaskRunner::PostTaskAndReply(
       from_here, task, reply);
 }
 
+bool TaskRunner::PostDelayedTaskAndReply(
+    const tracked_objects::Location& from_here,
+    const Closure& task,
+    const Closure& reply,
+    const TimeDelta& delay) {
+  return PostTaskAndReplyTaskRunner(this).PostDelayedTaskAndReply(
+      from_here, task, reply, delay);
+}
+
 TaskRunner::TaskRunner() {}
 
 TaskRunner::~TaskRunner() {}