Move tray code from ui/chromeos/network/

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

Index: ash/common/system/chromeos/network/network_icon.h
diff --git a/ui/chromeos/network/network_icon.h b/ash/common/system/chromeos/network/network_icon.h
similarity index 92%
rename from ui/chromeos/network/network_icon.h
rename to ash/common/system/chromeos/network/network_icon.h
index 347adb74770cf3c4b1b04c15253712f75ea7ad22..53c2043e328bf80ef02e8915efe909e97ea00b7d 100644
--- a/ui/chromeos/network/network_icon.h
+++ b/ash/common/system/chromeos/network/network_icon.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_H_
-#define UI_CHROMEOS_NETWORK_NETWORK_ICON_H_
+#ifndef ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_
+#define ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_
 
 #include <string>
 
@@ -15,7 +15,7 @@ namespace chromeos {
 class NetworkState;
 }
 
-namespace ui {
+namespace ash {
 namespace network_icon {
 
 class AnimationObserver;
@@ -73,6 +73,6 @@ UI_CHROMEOS_EXPORT void GetDefaultNetworkImageAndLabel(IconType icon_type,
 UI_CHROMEOS_EXPORT void PurgeNetworkIconCache();
 
 }  // namespace network_icon
-}  // namespace ui
+}  // namespace ash
 
-#endif  // UI_CHROMEOS_NETWORK_NETWORK_ICON_H_
+#endif  // ASH_COMMON_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_