Flash window by pulsing their launcher icon state indicator

ui/base/animation/throb_animation.h

Index: ui/base/animation/throb_animation.h
diff --git a/ui/base/animation/throb_animation.h b/ui/base/animation/throb_animation.h
index 46aae2ffb2ce36843e023022c0e143fad2e589a8..08b28405747a41c5c4e01469a7aca711716e42da 100644
--- a/ui/base/animation/throb_animation.h
+++ b/ui/base/animation/throb_animation.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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.
 
@@ -31,6 +31,7 @@ class UI_EXPORT ThrobAnimation : public SlideAnimation {
 
   // Overridden to reset to the slide duration.
   virtual void Reset() OVERRIDE;
+  virtual void Reset(double value) OVERRIDE;
   virtual void Show() OVERRIDE;
   virtual void Hide() OVERRIDE;