Factor out uses of the WebContentsModalDialog interface from platform-independent code

chrome/browser/ui/login/login_prompt.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_LOGIN_LOGIN_PROMPT_H_
 #define CHROME_BROWSER_UI_LOGIN_LOGIN_PROMPT_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/synchronization/lock.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/resource_dispatcher_host_login_delegate.h"
 
-class WebContentsModalDialog;
 class GURL;
 
 namespace content {
 class RenderViewHostDelegate;
 class NotificationRegistrar;
 }  // namespace content
 
 namespace net {
 class AuthChallengeInfo;
 class HttpNetworkSession;
@@ skipping 49 matching lines @@
   const net::AuthChallengeInfo* auth_info() const { return auth_info_.get(); }
 
   // Returns whether authentication had been handled (SetAuth or CancelAuth).
   bool WasAuthHandled() const;
 
  protected:
   virtual ~LoginHandler();
 
   void SetModel(LoginModel* model);
 
-  void SetDialog(WebContentsModalDialog* dialog);
-
   // Notify observers that authentication is needed.
   void NotifyAuthNeeded();
 
   // Performs necessary cleanup before deletion.
   void ReleaseSoon();
 
+  // Closes the native dialog.
+  virtual void CloseDialog() = 0;
+
  private:
   // Starts observing notifications from other LoginHandlers.
   void AddObservers();
 
   // Stops observing notifications from other LoginHandlers.
   void RemoveObservers();
 
   // Notify observers that authentication is supplied.
   void NotifyAuthSupplied(const string16& username,
                           const string16& password);
@@ skipping 12 matching lines @@
   // Calls CancelAuth from the IO loop.
   void CancelAuthDeferred();
 
   // Closes the view_contents from the UI loop.
   void CloseContentsDeferred();
 
   // True if we've handled auth (SetAuth or CancelAuth has been called).
   bool handled_auth_;
   mutable base::Lock handled_auth_lock_;
 
-  // The WebContentsModalDialog that is hosting our LoginView.
-  // This should only be accessed on the UI loop.
-  WebContentsModalDialog* dialog_;
-
   // Who/where/what asked for the authentication.
   scoped_refptr<net::AuthChallengeInfo> auth_info_;
 
   // The request that wants login data.
   // This should only be accessed on the IO loop.
   net::URLRequest* request_;
 
   // The HttpNetworkSession |request_| is associated with.
   const net::HttpNetworkSession* http_network_session_;
 
@@ skipping 75 matching lines @@
 // Helper to remove the ref from an net::URLRequest to the LoginHandler.
 // Should only be called from the IO thread, since it accesses an
 // net::URLRequest.
 void ResetLoginHandlerForRequest(net::URLRequest* request);
 
 // Get the signon_realm under which the identity should be saved.
 std::string GetSignonRealm(const GURL& url,
                            const net::AuthChallengeInfo& auth_info);
 
 #endif  // CHROME_BROWSER_UI_LOGIN_LOGIN_PROMPT_H_