Move tray code from ui/chromeos/network/

ash/common/system/chromeos/network/network_list_view_base.cc

Index: ash/common/system/chromeos/network/network_list_view_base.cc
diff --git a/ash/display/null_mouse_warp_controller.cc b/ash/common/system/chromeos/network/network_list_view_base.cc
similarity index 50%
copy from ash/display/null_mouse_warp_controller.cc
copy to ash/common/system/chromeos/network/network_list_view_base.cc
index b84637ab8709b12bb6e94adc10ab6e155b45cb4e..8a16243c9e7afaf8d492ddde04ffeff0dcfe0b85 100644
--- a/ash/display/null_mouse_warp_controller.cc
+++ b/ash/common/system/chromeos/network/network_list_view_base.cc
@@ -2,14 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/display/null_mouse_warp_controller.h"
+#include "ash/common/system/chromeos/network/network_list_view_base.h"
 
 namespace ash {
 
-bool NullMouseWarpController::WarpMouseCursor(ui::MouseEvent* event) {
-  return false;
-}
+NetworkListViewBase::NetworkListViewBase() {}
 
-void NullMouseWarpController::SetEnabled(bool enable) {}
+NetworkListViewBase::~NetworkListViewBase() {}
 
 }  // namespace ash