content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs

content/browser/media/media_internals_proxy.cc

Index: content/browser/media/media_internals_proxy.cc
diff --git a/content/browser/media/media_internals_proxy.cc b/content/browser/media/media_internals_proxy.cc
index 05f4dd82a630647fb5034bc90ca6f606e7b251ce..8a0fbd40b035e08820eb1411c01aabf5170f3885 100644
--- a/content/browser/media/media_internals_proxy.cc
+++ b/content/browser/media/media_internals_proxy.cc
@@ -5,7 +5,9 @@
 #include "content/browser/media/media_internals_proxy.h"
 
 #include "base/bind.h"
-#include "base/message_loop/message_loop.h"
+#include "base/location.h"
+#include "base/single_thread_task_runner.h"
+#include "base/thread_task_runner_handle.h"
 #include "content/browser/media/media_internals_handler.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/notification_service.h"
@@ -156,7 +158,7 @@ void MediaInternalsProxy::AddNetEventOnUIThread(base::Value* entry) {
   // if an update is not already pending.
   if (!pending_net_updates_) {
     pending_net_updates_.reset(new base::ListValue());
-    base::MessageLoop::current()->PostDelayedTask(
+    base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
         FROM_HERE,
         base::Bind(&MediaInternalsProxy::SendNetEventsOnUIThread, this),
         base::TimeDelta::FromMilliseconds(