Add a specialized apps::NativeAppWindow for app_shell

apps/shell_window.cc

 // Copyright 2013 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 "apps/shell_window.h"
 
+#include "apps/apps_client.h"
 #include "apps/shell_window_geometry_cache.h"
 #include "apps/shell_window_registry.h"
 #include "apps/ui/native_app_window.h"
 #include "base/command_line.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/values.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/extensions/extension_web_contents_observer.h"
 #include "chrome/browser/extensions/suggest_permission_util.h"
-#include "chrome/browser/lifetime/application_lifetime.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension_messages.h"
 #include "chrome/common/extensions/manifest_handlers/icons_handler.h"
 #include "components/web_modal/web_contents_modal_dialog_manager.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
@@ skipping 198 matching lines @@
   if (CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kEnableAppsShowOnFirstPaint)) {
     // We want to show the window only when the content has been painted. For
     // that to happen, we need to define a size for the content, otherwise the
     // layout will happen in a 0x0 area.
     // Note: WebContents::GetView() is guaranteed to be non-null.
     web_contents->GetView()->SizeContents(new_params.bounds.size());
   }
 
   // Prevent the browser process from shutting down while this window is open.
-  chrome::StartKeepAlive();
+  AppsClient::Get()->StartKeepAlive();
 
   UpdateExtensionAppIcon();
 
   ShellWindowRegistry::Get(browser_context_)->AddShellWindow(this);
 }
 
 ShellWindow::~ShellWindow() {
   // Unregister now to prevent getting NOTIFICATION_APP_TERMINATING if we're the
   // last window open.
   registrar_.RemoveAll();
 
   // Remove shutdown prevention.
-  chrome::EndKeepAlive();
+  AppsClient::Get()->EndKeepAlive();
 }
 
 void ShellWindow::RequestMediaAccessPermission(
     content::WebContents* web_contents,
     const content::MediaStreamRequest& request,
     const content::MediaResponseCallback& callback) {
   delegate_->RequestMediaAccessPermission(web_contents, request, callback,
                                           extension());
 }
 
@@ skipping 722 matching lines @@
         region.bounds.x(),
         region.bounds.y(),
         region.bounds.right(),
         region.bounds.bottom(),
         region.draggable ? SkRegion::kUnion_Op : SkRegion::kDifference_Op);
   }
   return sk_region;
 }
 
 }  // namespace apps