favor DCHECK_CURRENTLY_ON for better logs in content/browser

content/browser/media/cdm/browser_cdm_manager.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 "content/browser/media/cdm/browser_cdm_manager.h"
 
 #include <string>
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
@@ skipping 496 matching lines @@
                                     permission_status_cb);
   }
 }
 
 // Note: This function runs on the UI thread, which may be different from
 // |task_runner_|. Be careful about thread safety!
 void BrowserCdmManager::CheckPermissionStatusOnUIThread(
     int render_frame_id,
     const GURL& security_origin,
     const base::Callback<void(bool)>& permission_status_cb) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
 
   RenderFrameHost* rfh =
       RenderFrameHost::FromID(render_process_id_, render_frame_id);
   WebContents* web_contents = WebContents::FromRenderFrameHost(rfh);
   GURL embedding_origin = web_contents->GetLastCommittedURL().GetOrigin();
 
   PermissionStatus permission_status =
       GetContentClient()->browser()->GetPermissionStatus(
           content::PermissionType::PROTECTED_MEDIA_IDENTIFIER,
           web_contents->GetBrowserContext(), security_origin, embedding_origin);
@@ skipping 45 matching lines @@
   }
 
   // Only the temporary session type is supported in browser CDM path.
   // TODO(xhwang): Add SessionType support if needed.
   cdm->CreateSessionAndGenerateRequest(media::MediaKeys::TEMPORARY_SESSION,
                                        init_data_type_string, &init_data[0],
                                        init_data.size(), promise.Pass());
 }
 
 }  // namespace content