Disable incognito link if parental control is on

chrome/browser/signin/signin_header_helper.cc

 // Copyright 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.
 
 #include "chrome/browser/signin/signin_header_helper.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/google/google_util.h"
@@ skipping 163 matching lines @@
        google_util::IsYoutubeDomainUrl(
            url,
            google_util::ALLOW_SUBDOMAIN,
            google_util::DISALLOW_NON_STANDARD_PORTS));
   if (!is_google_url && !IsDriveOrigin(origin))
     return false;
 
   std::string account_id(io_data->google_services_account_id()->GetValue());
 
   int profile_mode_mask = PROFILE_MODE_DEFAULT;
-  // TODO(guohui): Needs to check for parent control as well.
   if (io_data->incognito_availibility()->GetValue() ==
-          IncognitoModePrefs::DISABLED) {
+          IncognitoModePrefs::DISABLED ||
+      IncognitoModePrefs::ArePlatformParentalControlsEnabledCached()) {
     profile_mode_mask |= PROFILE_MODE_INCOGNITO_DISABLED;
   }
 
   // TODO(guohui): needs to make a new flag for enabling account consistency.
   std::string header_value(base::StringPrintf("%s=%s,%s=%s,%s=%s",
       kGaiaIdAttrName, account_id.c_str(),
       kProfileModeAttrName, base::IntToString(profile_mode_mask).c_str(),
       kEnableAccountConsistencyAttrName,
       is_new_profile_management ? "true" : "false"));
   request->SetExtraRequestHeaderByName(
@@ skipping 39 matching lines @@
   if (params.service_type == GAIA_SERVICE_TYPE_NONE)
     return;
 
   content::BrowserThread::PostTask(
       content::BrowserThread::UI, FROM_HERE,
       base::Bind(ProcessMirrorHeaderUIThread, child_id, route_id, params));
 #endif  // defined(OS_IOS)
 }
 
 } // namespace signin