chromeos: Move some network related UI in ui/chromeos/

ui/chromeos/network/network_icon_animation.cc

 // Copyright (c) 2013 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.
 
-#include "ash/system/chromeos/network/network_icon_animation.h"
+#include "ui/chromeos/network/network_icon_animation.h"
 
-#include "ash/system/chromeos/network/network_icon_animation_observer.h"
+#include "ui/chromeos/network/network_icon_animation_observer.h"
 
 namespace {
 const int kThrobDurationMs = 750;  // Animation cycle length.
 }
 
-namespace ash {
+namespace ui {
 namespace network_icon {
 
 NetworkIconAnimation::NetworkIconAnimation()
     : animation_(this) {
   // Set up the animation throbber.
   animation_.SetThrobDuration(kThrobDurationMs);
   animation_.SetTweenType(gfx::Tween::LINEAR);
 }
 
 NetworkIconAnimation::~NetworkIconAnimation() {
@@ skipping 27 matching lines @@
 }
 
 // static
 NetworkIconAnimation* NetworkIconAnimation::GetInstance() {
   static NetworkIconAnimation* s_icon_animation =
       new NetworkIconAnimation();
   return s_icon_animation;
 }
 
 }  // namespace network_icon
-}  // namespace ash
+}  // namespace ui