Resolve new GAIA flow's infinite loop.

chrome/browser/chromeos/profiles/profile_helper.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_PROFILES_PROFILE_HELPER_H_
 #define CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "chrome/browser/browsing_data/browsing_data_remover.h"
 #include "chrome/browser/chromeos/login/signin/oauth2_login_manager.h"
 #include "components/user_manager/user_manager.h"
 
 class Profile;
 class User;
 
 namespace base {
 class FilePath;
 }
 
+namespace content {
+class WebContents;
+}
+
 namespace extensions {
 class ExtensionGarbageCollectorChromeOSUnitTest;
 }
 
 namespace chromeos {
 
 // This helper class is used on Chrome OS to keep track of currently
 // active user profile.
 // Whenever active user is changed (either add another user into session or
 // switch between users), ActiveUserHashChanged() will be called thus
@@ skipping 58 matching lines @@
 
   // Should called once after UserManager instance has been created.
   void Initialize();
 
   // Returns hash for active user ID which is used to identify that user profile
   // on Chrome OS.
   std::string active_user_id_hash() { return active_user_id_hash_; }
 
   // Clears site data (cookies, history, etc) for signin profile.
   // Callback can be empty. Not thread-safe.
-  void ClearSigninProfile(const base::Closure& on_clear_callback);
+  // |webview_contents| is an optional parameter (may be nullptr) that points to
+  // the host of a webview whose storage needs to be cleared as well.
+  void ClearSigninProfile(const base::Closure& on_clear_callback,
+                          content::WebContents* webview_contents);
 
   // Returns profile of the |user| if it is created and fully initialized.
   // Otherwise, returns NULL.
   Profile* GetProfileByUser(const user_manager::User* user);
 
   // DEPRECATED
   // Returns profile of the |user| if user's profile is created and fully
   // initialized. Otherwise, if some user is active, returns his profile.
   // Otherwise, returns signin profile.
   // Behaviour of this function does not correspond to its name and can be
@@ skipping 77 matching lines @@
   // If true and enable_profile_to_user_testing is true then primary user will
   // always be returned by GetUserByProfile().
   static bool always_return_primary_user_for_testing;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileHelper);
 };
 
 } // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_PROFILES_PROFILE_HELPER_H_