mash: Break ash system tray dependencies on ash::ShelfWidget

ash/shelf/shelf_widget.cc

 // Copyright 2012 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/shelf/shelf_widget.h"
 
 #include "ash/aura/wm_shelf_aura.h"
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/ash_switches.h"
 #include "ash/common/focus_cycler.h"
@@ skipping 547 matching lines @@
   return gfx::Rect();
 }
 
 void ShelfWidget::DelegateView::UpdateBackground(int alpha) {
   alpha_ = alpha;
   SchedulePaint();
 }
 
 ShelfWidget::ShelfWidget(WmWindow* wm_shelf_container,
                          WmWindow* wm_status_container,
+                         WmShelfAura* wm_shelf_aura,
                          WorkspaceController* workspace_controller)
     : delegate_view_(new DelegateView(this)),
       background_animator_(
           delegate_view_, 0, GetShelfConstant(SHELF_BACKGROUND_ALPHA)),
       activating_as_fallback_(false) {
   views::Widget::InitParams params(
       views::Widget::InitParams::TYPE_WINDOW_FRAMELESS);
   params.opacity = views::Widget::InitParams::TRANSLUCENT_WINDOW;
   params.ownership = views::Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
   params.delegate = delegate_view_;
   wm_shelf_container->GetRootWindowController()
       ->ConfigureWidgetInitParamsForContainer(
           this, wm_shelf_container->GetShellWindowId(), &params);
   Init(params);
 
   // The shelf should not take focus when initially shown.
   set_focus_on_creation(false);
   SetContentsView(delegate_view_);
   delegate_view_->SetParentLayer(GetLayer());
 
   shelf_layout_manager_ = new ShelfLayoutManager(this);
   shelf_layout_manager_->AddObserver(this);
   aura::Window* shelf_container =
       WmWindowAura::GetAuraWindow(wm_shelf_container);
   shelf_container->SetLayoutManager(shelf_layout_manager_);
   shelf_layout_manager_->set_workspace_controller(workspace_controller);
   workspace_controller->SetShelf(shelf_layout_manager_);
+  wm_shelf_aura->SetShelfLayoutManager(shelf_layout_manager_);
 
-  status_area_widget_ = new StatusAreaWidget(wm_status_container, this);
+  // TODO(jamescook): Move ownership to RootWindowController.
+  status_area_widget_ =
+      new StatusAreaWidget(wm_status_container, wm_shelf_aura);
   status_area_widget_->CreateTrayViews();
   if (Shell::GetInstance()->session_state_delegate()->
           IsActiveUserSessionStarted()) {
     status_area_widget_->Show();
   }
   WmShell::Get()->focus_cycler()->AddWidget(status_area_widget_);
 
   aura::Window* status_container =
       WmWindowAura::GetAuraWindow(wm_status_container);
   status_container->SetLayoutManager(
@@ skipping 215 matching lines @@
     shelf_layout_manager_->UpdateAutoHideForMouseEvent(event);
 }
 
 void ShelfWidget::OnGestureEvent(ui::GestureEvent* event) {
   Widget::OnGestureEvent(event);
   if (Shell::GetInstance()->in_mus() && shelf_layout_manager_)
     shelf_layout_manager_->UpdateAutoHideForGestureEvent(event);
 }
 
 }  // namespace ash