Move tray code from ui/chromeos/network/

ash/common/system/chromeos/network/network_icon_animation.h

Index: ash/common/system/chromeos/network/network_icon_animation.h
diff --git a/ui/chromeos/network/network_icon_animation.h b/ash/common/system/chromeos/network/network_icon_animation.h
similarity index 83%
rename from ui/chromeos/network/network_icon_animation.h
rename to ash/common/system/chromeos/network/network_icon_animation.h
index f37791b790aa5fa3aab3e121598bbd9f49cbedc7..c8fbfb48fd05245463bd52c0389b5a023997896f 100644
--- a/ui/chromeos/network/network_icon_animation.h
+++ b/ash/common/system/chromeos/network/network_icon_animation.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef UI_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_H_
-#define UI_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_H_
+#ifndef ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_H_
 
 #include <set>
 #include <string>
@@ -13,7 +13,7 @@
 #include "ui/gfx/animation/animation_delegate.h"
 #include "ui/gfx/animation/throb_animation.h"
 
-namespace ui {
+namespace ash {
 namespace network_icon {
 
 class AnimationObserver;
@@ -43,6 +43,6 @@ class UI_CHROMEOS_EXPORT NetworkIconAnimation : public gfx::AnimationDelegate {
 };
 
 }  // namespace network_icon
-}  // namespace ui
+}  // namespace ash
 
-#endif  // UI_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_H_
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_ANIMATION_H_