Implement online reauth UI for Locked Profiles on Mac

chrome/browser/ui/user_manager.h

 // Copyright (c) 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.
 
 #ifndef CHROME_BROWSER_UI_USER_MANAGER_H_
 #define CHROME_BROWSER_UI_USER_MANAGER_H_
 
 #include "chrome/browser/profiles/profile_window.h"
 
 namespace base {
@@ skipping 29 matching lines @@
                                const std::string& email);
 
   // TODO(noms): Figure out if this size can be computed dynamically or adjusted
   // for smaller screens.
   static const int kWindowWidth = 800;
   static const int kWindowHeight = 600;
 
   static const int kReauthDialogWidth = 360;
   static const int kReauthDialogHeight = 440;
 
+  // This class observes the WebUI used in the UserManager to perform online
+  // reauthentication of locked profiles. Its concretely implemented in
+  // UserManagerMac and UserManagerView to specialize the closing of the UI's
+  // dialog widget.
+  class ReauthDialogObserver : public content::WebContentsObserver {
+   public:
+    ReauthDialogObserver(content::WebContents* web_contents,
+                         const std::string& email_address);
+    ~ReauthDialogObserver() override {}
+
+   private:
+    // content::WebContentsObserver:
+    void DidStopLoading() override;
+
+    virtual void CloseReauthDialog() = 0;
+
+    const std::string email_address_;
+
+    DISALLOW_COPY_AND_ASSIGN(ReauthDialogObserver);
+  };
+
  private:
   DISALLOW_COPY_AND_ASSIGN(UserManager);
 };
 
 #endif  // CHROME_BROWSER_UI_USER_MANAGER_H_