Special check on Supervised User creation flow added to prevent misleading shelf alignment.

ash/shell/shell_delegate_impl.cc

 // 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.
 
 #include "ash/shell/shell_delegate_impl.h"
 
 #include "ash/accessibility_delegate.h"
 #include "ash/default_accessibility_delegate.h"
 #include "ash/default_user_wallpaper_delegate.h"
 #include "ash/gpu_support_stub.h"
@@ skipping 91 matching lines @@
     screen_locked_ = true;
     Shell::GetInstance()->UpdateShelfVisibility();
   }
   void UnlockScreen() override {
     screen_locked_ = false;
     Shell::GetInstance()->UpdateShelfVisibility();
   }
   bool IsUserSessionBlocked() const override {
     return !IsActiveUserSessionStarted() || IsScreenLocked();
   }
+
+  bool IsInSupervisedUserCreationFlow() const override {
+  }
+
   SessionState GetSessionState() const override {
     // Assume that if session is not active we're at login.
     return IsActiveUserSessionStarted() ? SESSION_STATE_ACTIVE
                                         : SESSION_STATE_LOGIN_PRIMARY;
   }
   const user_manager::UserInfo* GetUserInfo(
       MultiProfileIndex index) const override {
     return user_info_.get();
   }
   const user_manager::UserInfo* GetUserInfo(
@@ skipping 134 matching lines @@
   // Real GPU support depends on src/content, so just use a stub.
   return new GPUSupportStub;
 }
 
 base::string16 ShellDelegateImpl::GetProductName() const {
   return base::string16();
 }
 
 }  // namespace shell
 }  // namespace ash