Display local signin error without browser and record the path of selected profile in user manager.

chrome/browser/ui/views/profiles/user_manager_view.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_PROFILES_USER_MANAGER_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_PROFILES_USER_MANAGER_VIEW_H_
 
 #include <memory>
 
 #include "base/auto_reset.h"
@@ skipping 13 matching lines @@
  public:
   ReauthDelegate(UserManagerView* parent,
                  views::WebView* web_view,
                  const std::string& email_address,
                  signin_metrics::Reason reason);
   ~ReauthDelegate() override;
 
   // UserManager::BaseReauthDialogDelegate:
   void CloseReauthDialog() override;
 
+  // Display the local error message inside login window.
+  void DisplayErrorMessage();
+
  private:
   ReauthDelegate();
 
   // Before its destruction, tells its parent container to reset its reference
   // to the ReauthDelegate.
   void OnReauthDialogDestroyed();
 
   // views::DialogDelegate:
   gfx::Size GetPreferredSize() const override;
   bool CanResize() const override;
   bool CanMaximize() const override;
   bool CanMinimize() const override;
   bool ShouldUseCustomFrame() const override;
   ui::ModalType GetModalType() const override;
   void DeleteDelegate() override;
   base::string16 GetWindowTitle() const override;
   int GetDialogButtons() const override;
   views::View* GetInitiallyFocusedView() override;
 
-  UserManagerView* parent_; // Not owned.
+  UserManagerView* parent_;  // Not owned.
   views::WebView* web_view_;
   const std::string email_address_;
 
   DISALLOW_COPY_AND_ASSIGN(ReauthDelegate);
 };
 
 namespace views {
 class WebView;
 }
 
@@ skipping 26 matching lines @@
   //   reauthenticated.
   // reason| can be REASON_UNLOCK or REASON_REAUTHENTICATION to indicate
   // whether this is a reauth or unlock scenario.
   void ShowReauthDialog(content::BrowserContext* browser_context,
                         const std::string& email,
                         signin_metrics::Reason reason);
 
   // Hides the reauth dialog if it is showing.
   void HideReauthDialog();
 
+  // Display local sign in error message withou browser.

[sky, 2016/09/20 23:30:19]

without.
What do you mean by local?

[zmin, 2016/09/21 00:09:35]

Local means the error not from Gaia(i..e password error, account doesn't exist)
but from Chrome(i.e. email has been used by another profile, email doesn't match
the policy rule)

[zmin, 2016/09/21 16:40:04]

Remove "local" as it may cause confusion

+  void DisplayErrorMessage();
+
+  void SetSigninProfilePath(const base::FilePath profile_path);

[sky, 2016/09/20 23:30:19]

const &

[zmin, 2016/09/21 16:40:04]

Done.

+  base::FilePath GetSigninProfilePath();
+
  private:
   friend class ReauthDelegate;
   friend std::default_delete<UserManagerView>;
 
   ~UserManagerView() override;
 
   // Resets delegate_ to nullptr when delegate_ is no longer alive.
   void OnReauthDialogDestroyed();
 
   // Creates dialog and initializes UI.
@@ skipping 12 matching lines @@
   void WindowClosing() override;
   bool ShouldUseCustomFrame() const override;
 
   views::WebView* web_view_;
 
   ReauthDelegate* delegate_;
 
   std::unique_ptr<ScopedKeepAlive> keep_alive_;
   base::Time user_manager_started_showing_;
 
+  base::FilePath signin_profile_path_;
+
   DISALLOW_COPY_AND_ASSIGN(UserManagerView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PROFILES_USER_MANAGER_VIEW_H_