Stop spamming delayed tasks on each input event.

base/timer.h

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // OneShotTimer and RepeatingTimer provide a simple timer API.  As the names
 // suggest, OneShotTimer calls you back once after a time delay expires.
 // RepeatingTimer on the other hand calls you back periodically with the
 // prescribed time interval.
 //
 // OneShotTimer and RepeatingTimer both cancel the timer when they go out of
@@ skipping 48 matching lines @@
   // Stops the timer.
   ~BaseTimer_Helper() {
     OrphanDelayedTask();
   }
 
   // Returns true if the timer is running (i.e., not stopped).
   bool IsRunning() const {
     return delayed_task_ != NULL;
   }
 
+  // Returns the current delay for this timer.  May only call this method when
+  // the timer is running!
+  TimeDelta GetCurrentDelay() const {
+    DCHECK(IsRunning());
+    return delayed_task_->delay_;
+  }
+
  protected:
   BaseTimer_Helper() : delayed_task_(NULL) {}
 
   // We have access to the timer_ member so we can orphan this task.
   class TimerTask : public Task {
    public:
     TimerTask(TimeDelta delay) : delay_(delay) {
       // timer_ is set in InitiateDelayedTask.
     }
     BaseTimer_Helper* timer_;
@@ skipping 75 matching lines @@
 class OneShotTimer : public BaseTimer<Receiver, false> {};
 
 //-----------------------------------------------------------------------------
 // A simple, repeating timer.  See usage notes at the top of the file.
 template <class Receiver>
 class RepeatingTimer : public BaseTimer<Receiver, true> {};
 
 }  // namespace base
 
 #endif  // BASE_TIMER_H_