Shutdown renderer main message loop before blink::shutdown()

content/child/child_process.cc

Index: content/child/child_process.cc
diff --git a/content/child/child_process.cc b/content/child/child_process.cc
index 9805c062f55c1872eb540abc0a029d8e32a72775..4eb2b143ba54182a445943b80ba4e882fb1e0fa4 100644
--- a/content/child/child_process.cc
+++ b/content/child/child_process.cc
@@ -88,13 +88,13 @@ void ChildProcess::set_main_thread(ChildThreadImpl* thread) {
 
 void ChildProcess::AddRefProcess() {
   DCHECK(!main_thread_.get() ||  // null in unittests.
-         main_thread_->message_loop()->task_runner()->BelongsToCurrentThread());
+         main_thread_->main_task_runner()->BelongsToCurrentThread());
   ref_count_++;
 }
 
 void ChildProcess::ReleaseProcess() {
   DCHECK(!main_thread_.get() ||  // null in unittests.
-         main_thread_->message_loop()->task_runner()->BelongsToCurrentThread());
+         main_thread_->main_task_runner()->BelongsToCurrentThread());
   DCHECK(ref_count_);
   if (--ref_count_)
     return;