Cleanup: remove SupervisedUserService::IsChildAccount.

chrome/browser/supervised_user/supervised_user_interstitial.cc

 // 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.
 
 #include "chrome/browser/supervised_user/supervised_user_interstitial.h"
 
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 174 matching lines @@
   strings.SetString("avatarURL2x", BuildAvatarImageUrl(profile_image_url,
                                                        kAvatarSize2x));
 
   std::string profile_image_url2 = profile_->GetPrefs()->GetString(
       prefs::kSupervisedUserSecondCustodianProfileImageURL);
   strings.SetString("secondAvatarURL1x", BuildAvatarImageUrl(profile_image_url2,
                                                              kAvatarSize1x));
   strings.SetString("secondAvatarURL2x", BuildAvatarImageUrl(profile_image_url2,
                                                              kAvatarSize2x));
 
-  bool is_child_account = supervised_user_service->IsChildAccount();
+  bool is_child_account = profile_->IsChild();
 
   base::string16 custodian =
       base::UTF8ToUTF16(supervised_user_service->GetCustodianName());
   base::string16 second_custodian =
       base::UTF8ToUTF16(supervised_user_service->GetSecondCustodianName());
 
   base::string16 block_message;
   if (allow_access_requests) {
     if (is_child_account) {
       block_message = l10n_util::GetStringUTF16(
@@ skipping 113 matching lines @@
       SupervisedUserServiceFactory::GetForProfile(profile_);
   supervised_user_service->RemoveObserver(this);
 
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE, base::Bind(callback_, continue_request));
 
   // After this, the WebContents may be destroyed. Make sure we don't try to use
   // it again.
   web_contents_ = NULL;
 }