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-rw-r--r--base/message_pump.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/base/message_pump.h b/base/message_pump.h
index 8e80fc8..90336df 100644
--- a/base/message_pump.h
+++ b/base/message_pump.h
@@ -50,8 +50,11 @@ class MessagePump : public RefCountedThreadSafe<MessagePump> {
// Called from within Run in response to ScheduleDelayedWork or when the
// message pump would otherwise sleep waiting for more work. Returns true
// to indicate that delayed work was done. DoIdleWork will not be called
- // if DoDelayedWork returns true.
- virtual bool DoDelayedWork() = 0;
+ // if DoDelayedWork returns true. Upon return |next_delay| indicates the
+ // next delayed work interval. If |next_delay| is negative, then the queue
+ // of future delayed work (timer events) is currently empty, and no
+ // additional calls to this function need to be scheduled.
+ virtual bool DoDelayedWork(TimeDelta* next_delay) = 0;
// Called from within Run just before the message pump goes to sleep.
// Returns true to indicate that idle work was done.