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-rw-r--r--base/idle_timer.cc2
1 files changed, 2 insertions, 0 deletions
diff --git a/base/idle_timer.cc b/base/idle_timer.cc
index fa5e1cc..39b9bd4 100644
--- a/base/idle_timer.cc
+++ b/base/idle_timer.cc
@@ -13,6 +13,8 @@ IdleTimerTask::IdleTimerTask(TimeDelta idle_time, bool repeat)
: idle_interval_(idle_time),
repeat_(repeat),
get_last_input_info_fn_(GetLastInputInfo) {
+ DCHECK_EQ(MessageLoop::TYPE_UI, MessageLoop::current()->type()) <<
+ "Requires a thread that processes Windows UI events";
}
IdleTimerTask::~IdleTimerTask() {