[renderer] Add support for postIdleTaskAfterWakeup to WebSchedulerImpl.

content/renderer/scheduler/web_scheduler_impl.cc

Index: content/renderer/scheduler/web_scheduler_impl.cc
diff --git a/content/renderer/scheduler/web_scheduler_impl.cc b/content/renderer/scheduler/web_scheduler_impl.cc
index c7b6def108eb5c2e195f01c409551806a8e10a5a..29b253b1cfb78f92c8de70f981ba523167d7db77 100644
--- a/content/renderer/scheduler/web_scheduler_impl.cc
+++ b/content/renderer/scheduler/web_scheduler_impl.cc
@@ -45,6 +45,18 @@ void WebSchedulerImpl::postIdleTask(const blink::WebTraceLocation& web_location,
       base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
 }
 
+void WebSchedulerImpl::postIdleTaskAfterWakeup(
+    const blink::WebTraceLocation& web_location,
+    blink::WebScheduler::IdleTask* task) {
+  DCHECK(idle_task_runner_);
+  scoped_ptr<blink::WebScheduler::IdleTask> scoped_task(task);
+  tracked_objects::Location location(web_location.functionName(),
+                                     web_location.fileName(), -1, nullptr);
+  idle_task_runner_->PostIdleTaskAfterWakeup(
+      location,
+      base::Bind(&WebSchedulerImpl::runIdleTask, base::Passed(&scoped_task)));
+}
+
 void WebSchedulerImpl::postLoadingTask(
     const blink::WebTraceLocation& web_location, blink::WebThread::Task* task) {
   DCHECK(loading_task_runner_);