Refactor ViewsDelegate singleton

ash/content/display/screen_orientation_controller_chromeos_unittest.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 <vector>
 
 #include "ash/ash_switches.h"
 #include "ash/content/display/screen_orientation_controller_chromeos.h"
 #include "ash/display/display_info.h"
 #include "ash/display/display_manager.h"
@@ skipping 117 matching lines @@
 };
 
 ScreenOrientationControllerTest::ScreenOrientationControllerTest() {
   webview_test_helper_.reset(new views::WebViewTestHelper());
 }
 
 ScreenOrientationControllerTest::~ScreenOrientationControllerTest() {
 }
 
 content::WebContents* ScreenOrientationControllerTest::CreateWebContents() {
-  return views::ViewsDelegate::views_delegate->CreateWebContents(
+  return views::ViewsDelegate::GetInstance()->CreateWebContents(
       ash_test_helper()->test_shell_delegate()->GetActiveBrowserContext(),
       nullptr);
 }
 
 content::WebContents*
 ScreenOrientationControllerTest::CreateSecondaryWebContents() {
   secondary_browser_context_.reset(new content::TestBrowserContext());
-  return views::ViewsDelegate::views_delegate->CreateWebContents(
+  return views::ViewsDelegate::GetInstance()->CreateWebContents(
       secondary_browser_context_.get(), nullptr);
 }
 
 void ScreenOrientationControllerTest::SetUp() {
   base::CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kAshUseFirstDisplayAsInternal);
   base::CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kAshEnableTouchViewTesting);
   test::AshTestBase::SetUp();
   screen_orientation_controller_ =
@@ skipping 485 matching lines @@
                                  gfx::Display::ROTATION_SOURCE_ACTIVE);
 
   // TODO(bruthig): Uncomment when www.crbug.com/480703 is fixed. This test
   // still adds value by ensuring a crash does not occur. See
   // www.crbug.com/479503.
   // ASSERT_EQ(kNewRotation, display_manager->GetDisplayInfo(kInternalDisplayId)
   //     .GetActiveRotation());
 }
 
 }  // namespace ash