Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/appcache/appcache_group.cc

Index: content/browser/appcache/appcache_group.cc
diff --git a/content/browser/appcache/appcache_group.cc b/content/browser/appcache/appcache_group.cc
index dbd089c9a328b9e727a000365226792171a22826..4e16e7faad6874710d9cfcc7acce495ee28dd986 100644
--- a/content/browser/appcache/appcache_group.cc
+++ b/content/browser/appcache/appcache_group.cc
@@ -7,10 +7,8 @@
 #include <algorithm>
 
 #include "base/bind.h"
-#include "base/location.h"
 #include "base/logging.h"
-#include "base/single_thread_task_runner.h"
-#include "base/thread_task_runner_handle.h"
+#include "base/message_loop/message_loop.h"
 #include "content/browser/appcache/appcache.h"
 #include "content/browser/appcache/appcache_host.h"
 #include "content/browser/appcache/appcache_service_impl.h"
@@ -232,8 +230,9 @@ void AppCacheGroup::ScheduleUpdateRestart(int delay_ms) {
   DCHECK(restart_update_task_.IsCancelled());
   restart_update_task_.Reset(
       base::Bind(&AppCacheGroup::RunQueuedUpdates, this));
-  base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
-      FROM_HERE, restart_update_task_.callback(),
+  base::MessageLoop::current()->PostDelayedTask(
+      FROM_HERE,
+      restart_update_task_.callback(),
       base::TimeDelta::FromMilliseconds(delay_ms));
 }