Add username of account that has an auth error.

chrome/browser/signin/signin_global_error.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_SIGNIN_SIGNIN_GLOBAL_ERROR_H_
 #define CHROME_BROWSER_SIGNIN_SIGNIN_GLOBAL_ERROR_H_
 
 #include <set>
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
+#include "base/gtest_prod_util.h"
 #include "chrome/browser/ui/global_error/global_error.h"
 #include "components/keyed_service/core/keyed_service.h"
 #include "components/signin/core/browser/signin_error_controller.h"
 
 class Profile;
 
 // Shows auth errors on the wrench menu using a bubble view and a menu item.
 class SigninGlobalError : public GlobalErrorWithStandardBubble,
                           public SigninErrorController::Observer,
                           public KeyedService {
  public:
   SigninGlobalError(SigninErrorController* error_controller,
                     Profile* profile);
   virtual ~SigninGlobalError();
 
+  // Returns true if there is an authentication error.
+  bool HasError();
+
+  // Shows re-authentication UI to the user in an attempt to fix the error.
+  // The re-authentication UI will be shown in |browser|.
+  void AttemptToFixError(Browser* browser);
+
+ private:
+  FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, NoErrorAuthStatusProviders);
+  FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, ErrorAuthStatusProvider);
+  FRIEND_TEST_ALL_PREFIXES(SigninGlobalErrorTest, AuthStatusEnumerateAllErrors);
+
   // KeyedService:
   virtual void Shutdown() OVERRIDE;
 
   // GlobalErrorWithStandardBubble:
   virtual bool HasMenuItem() OVERRIDE;
   virtual int MenuItemCommandID() OVERRIDE;
   virtual base::string16 MenuItemLabel() OVERRIDE;
   virtual void ExecuteMenuItem(Browser* browser) OVERRIDE;
   virtual bool HasBubbleView() OVERRIDE;
   virtual base::string16 GetBubbleViewTitle() OVERRIDE;
   virtual std::vector<base::string16> GetBubbleViewMessages() OVERRIDE;
   virtual base::string16 GetBubbleViewAcceptButtonLabel() OVERRIDE;
   virtual base::string16 GetBubbleViewCancelButtonLabel() OVERRIDE;
   virtual void OnBubbleViewDidClose(Browser* browser) OVERRIDE;
   virtual void BubbleViewAcceptButtonPressed(Browser* browser) OVERRIDE;
   virtual void BubbleViewCancelButtonPressed(Browser* browser) OVERRIDE;
 
   // SigninErrorController::Observer:
   virtual void OnErrorChanged() OVERRIDE;
 
- private:
   // The Profile this service belongs to.
   Profile* profile_;
 
   // The SigninErrorController that provides auth status.
   SigninErrorController* error_controller_;
 
   DISALLOW_COPY_AND_ASSIGN(SigninGlobalError);
 };
 
 #endif  // CHROME_BROWSER_SIGNIN_SIGNIN_GLOBAL_ERROR_H_