Update uses of TimeDelta in chrome/test/base.

chrome/test/base/view_event_test_base.cc

Index: chrome/test/base/view_event_test_base.cc
diff --git a/chrome/test/base/view_event_test_base.cc b/chrome/test/base/view_event_test_base.cc
index 4f88ed1d8f69b70f757fcce5f5bffa6e9cae02c5..a98b80ef3d96e5e80e599f71f6666bfd7e980fce 100644
--- a/chrome/test/base/view_event_test_base.cc
+++ b/chrome/test/base/view_event_test_base.cc
@@ -166,7 +166,7 @@ void ViewEventTestBase::ScheduleMouseMoveInBackground(int x, int y) {
   dnd_thread_->message_loop()->PostDelayedTask(
       FROM_HERE,
       base::Bind(base::IgnoreResult(&ui_controls::SendMouseMove), x, y),
-      kMouseMoveDelayMS);
+      base::TimeDelta::FromMilliseconds(kMouseMoveDelayMS));
 }
 
 void ViewEventTestBase::StopBackgroundThread() {