[chrome/browser/renderer_host] favor DCHECK_CURRENTLY_ON for better logs

chrome/browser/renderer_host/pepper/pepper_broker_message_filter.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 "chrome/browser/renderer_host/pepper/pepper_broker_message_filter.h"
 
 #include <string>
 
 #include "chrome/browser/profiles/profile.h"
 #include "components/content_settings/core/browser/host_content_settings_map.h"
@@ skipping 33 matching lines @@
     ppapi::host::HostMessageContext* context) {
   PPAPI_BEGIN_MESSAGE_MAP(PepperBrokerMessageFilter, msg)
     PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_Broker_IsAllowed,
                                         OnIsAllowed)
   PPAPI_END_MESSAGE_MAP()
   return PP_ERROR_FAILED;
 }
 
 int32_t PepperBrokerMessageFilter::OnIsAllowed(
     ppapi::host::HostMessageContext* context) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   if (!document_url_.is_valid())
     return PP_ERROR_FAILED;
   RenderProcessHost* render_process_host =
       RenderProcessHost::FromID(render_process_id_);
   if (!render_process_host)
     return PP_ERROR_FAILED;
   Profile* profile =
       Profile::FromBrowserContext(render_process_host->GetBrowserContext());
   HostContentSettingsMap* content_settings =
       profile->GetHostContentSettingsMap();
   ContentSetting setting =
       content_settings->GetContentSetting(document_url_,
                                           document_url_,
                                           CONTENT_SETTINGS_TYPE_PPAPI_BROKER,
                                           std::string());
   if (setting == CONTENT_SETTING_ALLOW)
     return PP_OK;
   return PP_ERROR_FAILED;
 }
 
 }  // namespace chrome