Separate athena's startup process from AppShell's

athena/home/home_card_impl.cc

 // Copyright 2014 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 "athena/home/public/home_card.h"
 
 #include <cmath>
 #include <limits>
 
 #include "athena/common/container_priorities.h"
+#include "athena/env/public/athena_env.h"
 #include "athena/home/app_list_view_delegate.h"
 #include "athena/home/athena_start_page_view.h"
 #include "athena/home/minimized_home.h"
 #include "athena/home/public/app_model_builder.h"
 #include "athena/input/public/accelerator_manager.h"
 #include "athena/screen/public/screen_manager.h"
 #include "athena/wm/public/window_manager.h"
 #include "athena/wm/public/window_manager_observer.h"
 #include "base/bind.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 498 matching lines @@
   home_card_view_->Layout();
 
   activation_client_ =
       aura::client::GetActivationClient(container->GetRootWindow());
   if (activation_client_)
     activation_client_->AddObserver(this);
 
   int work_area_bottom_inset =
       GetBoundsForState(GetNativeWindow()->bounds(),
                         HomeCard::VISIBLE_MINIMIZED).height();
-  ScreenManager::Get()->SetWorkAreaInsets(
+  AthenaEnv::Get()->SetDisplayWorkAreaInsets(
       gfx::Insets(0, 0, work_area_bottom_inset, 0));
 }
 
 void HomeCardImpl::InstallAccelerators() {
   const AcceleratorData accelerator_data[] = {
       {TRIGGER_ON_PRESS, ui::VKEY_L, ui::EF_CONTROL_DOWN,
        COMMAND_SHOW_HOME_CARD, AF_NONE},
   };
   AcceleratorManager::Get()->RegisterAccelerators(
       accelerator_data, arraysize(accelerator_data), this);
@@ skipping 122 matching lines @@
   instance = NULL;
 }
 
 // static
 HomeCard* HomeCard::Get() {
   DCHECK(instance);
   return instance;
 }
 
 }  // namespace athena