ash: Some code-cleanup in the system-tray code.

ash/system/tray/system_tray_widget_delegate.cc

Index: ash/system/tray/system_tray_widget_delegate.cc
diff --git a/ash/status_area/status_area_view.cc b/ash/system/tray/system_tray_widget_delegate.cc
similarity index 67%
rename from ash/status_area/status_area_view.cc
rename to ash/system/tray/system_tray_widget_delegate.cc
index 7e1478f40dd74701b8d56e57c61a652fed87d2e1..acc937a90a41635c74d82764af2a79e6cd69d18a 100644
--- a/ash/status_area/status_area_view.cc
+++ b/ash/system/tray/system_tray_widget_delegate.cc
@@ -2,7 +2,7 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ash/status_area/status_area_view.h"
+#include "ash/system/tray/system_tray_widget_delegate.h"
 
 #include "ash/ash_export.h"
 #include "ash/focus_cycler.h"
@@ -65,29 +65,5 @@ bool StatusAreaView::CanActivate() const {
 void StatusAreaView::DeleteDelegate() {
 }
 
-ASH_EXPORT views::Widget* CreateStatusArea(views::View* contents) {
-  if (!contents) {
-    contents = new views::View;
-    contents->set_focusable(true);
-  }
-  StatusAreaView* status_area_view = new StatusAreaView;
-  views::Widget* widget = new views::Widget;
-  views::Widget::InitParams params(
-      views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
-  gfx::Size ps = contents->GetPreferredSize();
-  params.bounds = gfx::Rect(0, 0, ps.width(), ps.height());
-  params.delegate = status_area_view;
-  params.parent = Shell::GetInstance()->GetContainer(
-      ash::internal::kShellWindowId_StatusContainer);
-  params.transparent = true;
-  widget->Init(params);
-  widget->set_focus_on_creation(false);
-  status_area_view->AddChildView(contents);
-  widget->SetContentsView(status_area_view);
-  widget->Show();
-  widget->GetNativeView()->SetName("StatusAreaView");
-  return widget;
-}
-
 }  // namespace internal
 }  // namespace ash