mash: remove more shell/shelf WmWindow usage.

chrome/browser/ui/webui/chromeos/first_run/first_run_ui.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 "chrome/browser/ui/webui/chromeos/first_run/first_run_ui.h"
 
 #include "ash/shelf/wm_shelf.h"
-#include "ash/shell_port.h"
+#include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chromeos/first_run/first_run_handler.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/grit/browser_resources.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "chromeos/chromeos_switches.h"
@@ skipping 41 matching lines @@
   localized_strings->SetString(
       "nextButton", l10n_util::GetStringUTF16(IDS_FIRST_RUN_NEXT_BUTTON));
   localized_strings->SetBoolean(
       "transitionsEnabled",
       base::CommandLine::ForCurrentProcess()->HasSwitch(
           chromeos::switches::kEnableFirstRunUITransitions));
   localized_strings->SetString(
       "accessibleTitle",
       l10n_util::GetStringUTF16(IDS_FIRST_RUN_STEP_ACCESSIBLE_TITLE));
   ash::WmShelf* shelf =
-      ash::WmShelf::ForWindow(ash::ShellPort::Get()->GetPrimaryRootWindow());
+      ash::WmShelf::ForWindow(ash::Shell::GetPrimaryRootWindow());
   std::string shelf_alignment;
   switch (shelf->alignment()) {
     case ash::SHELF_ALIGNMENT_BOTTOM:
     case ash::SHELF_ALIGNMENT_BOTTOM_LOCKED:
       shelf_alignment = kShelfAlignmentBottom;
       break;
     case ash::SHELF_ALIGNMENT_LEFT:
       shelf_alignment = kShelfAlignmentLeft;
       break;
     case ash::SHELF_ALIGNMENT_RIGHT:
@@ skipping 24 matching lines @@
 FirstRunUI::FirstRunUI(content::WebUI* web_ui)
     : WebUIController(web_ui),
       actor_(NULL) {
   auto handler = base::MakeUnique<FirstRunHandler>();
   actor_ = handler.get();
   web_ui->AddMessageHandler(std::move(handler));
   content::WebUIDataSource::Add(Profile::FromWebUI(web_ui), CreateDataSource());
 }
 
 }  // namespace chromeos