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

content/browser/renderer_host/render_widget_host_impl.cc

Index: content/browser/renderer_host/render_widget_host_impl.cc
diff --git a/content/browser/renderer_host/render_widget_host_impl.cc b/content/browser/renderer_host/render_widget_host_impl.cc
index 74f7ff429f0981741087139b96656c2297e6fbcd..b987fbf3d1d97ebb6f508cdca6a49389551bf447 100644
--- a/content/browser/renderer_host/render_widget_host_impl.cc
+++ b/content/browser/renderer_host/render_widget_host_impl.cc
@@ -14,10 +14,9 @@
 #include "base/containers/hash_tables.h"
 #include "base/i18n/rtl.h"
 #include "base/lazy_instance.h"
-#include "base/location.h"
+#include "base/message_loop/message_loop.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/thread_task_runner_handle.h"
@@ -1535,9 +1534,10 @@ void RenderWidgetHostImpl::OnUpdateRect(
     bool post_callback = new_auto_size_.IsEmpty();
     new_auto_size_ = params.view_size;
     if (post_callback) {
-      base::ThreadTaskRunnerHandle::Get()->PostTask(
-          FROM_HERE, base::Bind(&RenderWidgetHostImpl::DelayedAutoResized,
-                                weak_factory_.GetWeakPtr()));
+      base::MessageLoop::current()->PostTask(
+          FROM_HERE,
+          base::Bind(&RenderWidgetHostImpl::DelayedAutoResized,
+                     weak_factory_.GetWeakPtr()));
     }
   }