Revert 183647

chrome/browser/chromeos/login/merge_session_load_page.h

-// Copyright (c) 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.
-
-#ifndef CHROME_BROWSER_CHROMEOS_LOGIN_MERGE_SESSION_LOAD_PAGE_H_
-#define CHROME_BROWSER_CHROMEOS_LOGIN_MERGE_SESSION_LOAD_PAGE_H_
-
-#include <string>
-
-#include "base/callback.h"
-#include "base/compiler_specific.h"
-#include "chrome/browser/chromeos/login/user_manager.h"
-#include "content/public/browser/interstitial_page_delegate.h"
-#include "googleurl/src/gurl.h"
-
-namespace base {
-class DictionaryValue;
-}
-
-namespace content {
-class InterstitialPage;
-class WebContents;
-}
-
-namespace extensions {
-class Extension;
-}
-
-namespace chromeos {
-
-// MergeSessionLoadPage class shows the interstitial page that is shown
-// while we are trying to restore session containing tabs with Google properties
-// during the process of exchanging OAuth2 refresh token for user cookies.
-// It deletes itself when the interstitial page is closed.
-class MergeSessionLoadPage
-    : public content::InterstitialPageDelegate,
-      public UserManager::Observer {
- public:
-  // Passed a boolean indicating whether or not it is OK to proceed with the
-  // page load.
-  typedef base::Closure CompletionCallback;
-
-  // Create a merge session load delay page for the |web_contents|.
-  // The |callback| will be run on the IO thread.
-  MergeSessionLoadPage(content::WebContents* web_contents,
-                       const GURL& url,
-                       const CompletionCallback& callback);
-
-  void Show();
-
- protected:
-  virtual ~MergeSessionLoadPage();
-
- private:
-  friend class TestMergeSessionLoadPage;
-
-  // InterstitialPageDelegate implementation.
-  virtual std::string GetHTMLContents() OVERRIDE;
-  virtual void CommandReceived(const std::string& command) OVERRIDE;
-  virtual void OverrideRendererPrefs(
-      content::RendererPreferences* prefs) OVERRIDE;
-  virtual void OnProceed() OVERRIDE;
-  virtual void OnDontProceed() OVERRIDE;
-
-  // UserManager::Observer overrides.
-  virtual void MergeSessionStateChanged(
-      UserManager::MergeSessionState state) OVERRIDE;
-  virtual void LocalStateChanged(UserManager* user_manager) OVERRIDE {}
-
-  void NotifyBlockingPageComplete();
-
-  CompletionCallback callback_;
-
-  // True if the proceed is chosen.
-  bool proceeded_;
-
-  content::WebContents* web_contents_;
-  GURL url_;
-  content::InterstitialPage* interstitial_page_;  // Owns us.
-
-  DISALLOW_COPY_AND_ASSIGN(MergeSessionLoadPage);
-};
-
-}  // namespace chromeos
-
-#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_MERGE_SESSION_LOAD_PAGE_H_