Revert 181806

ash/system/chromeos/network/network_icon_animation.h

Index: ash/system/chromeos/network/network_icon_animation.h
===================================================================
--- ash/system/chromeos/network/network_icon_animation.h	(revision 181895)
+++ ash/system/chromeos/network/network_icon_animation.h	(working copy)
@@ -5,9 +5,6 @@
 #ifndef ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_H_
 #define ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_H_
 
-#include <set>
-#include <string>
-
 #include "ash/ash_export.h"
 #include "base/observer_list.h"
 #include "ui/base/animation/animation_delegate.h"
@@ -29,8 +26,6 @@
 
   void AddObserver(AnimationObserver* observer);
   void RemoveObserver(AnimationObserver* observer);
-  void AddNetwork(const std::string& network_id);
-  void RemoveNetwork(const std::string& network_id);
 
   // ui::AnimationDelegate implementation.
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
@@ -40,7 +35,6 @@
  private:
   ui::ThrobAnimation animation_;
   ObserverList<AnimationObserver> observers_;
-  std::set<std::string> networks_;
 };
 
 }  // namespace network_icon