Fix webview example in views examples.

ash/test/ash_test_base.cc

 // Copyright (c) 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/test/ash_test_base.h"
 
 #include <vector>
 
 #include "ash/shell.h"
 #include "ash/test/test_shell_delegate.h"
+#include "content/test/web_contents_tester.h"
 #include "ui/aura/env.h"
 #include "ui/aura/monitor_manager.h"
 #include "ui/aura/root_window.h"
 #include "ui/compositor/layer_animator.h"
 #include "ui/gfx/monitor.h"
 #include "ui/gfx/screen.h"
 
 namespace ash {
 namespace test {
 
+content::WebContents* AshTestViewsDelegate::CreateWebContents(
+    content::BrowserContext* browser_context,
+    content::SiteInstance* site_instance) {
+  return content::WebContentsTester::CreateTestWebContents(browser_context,
+                                                           site_instance);
+}
+
 AshTestBase::AshTestBase() {
 }
 
 AshTestBase::~AshTestBase() {
 }
 
 void AshTestBase::SetUp() {
   // Creates Shell and hook with Desktop.
   TestShellDelegate* delegate = new TestShellDelegate;
   ash::Shell::CreateInstance(delegate);
@@ skipping 25 matching lines @@
 
 void AshTestBase::RunAllPendingInMessageLoop() {
 #if !defined(OS_MACOSX)
   message_loop_.RunAllPendingWithDispatcher(
       aura::Env::GetInstance()->GetDispatcher());
 #endif
 }
 
 }  // namespace test
 }  // namespace ash