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

chrome/browser/chromeos/login/supervised/supervised_user_creation_screen.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/chromeos/login/supervised/supervised_user_creation_screen.h"
 
 #include "ash/desktop_background/desktop_background_controller.h"
 #include "ash/shell.h"
 #include "base/rand_util.h"
 #include "base/values.h"
@@ skipping 571 matching lines @@
     ui_copy->SetString("id", it.key());
 
     existing_users_->Set(it.key(), local_copy);
     ui_users->Append(ui_copy);
   }
   actor_->ShowExistingSupervisedUsers(ui_users.get());
 }
 
 void SupervisedUserCreationScreen::OnPhotoTaken(
     const std::string& raw_data) {
-  DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   user_photo_ = gfx::ImageSkia();
   ImageDecoder::Cancel(this);
   ImageDecoder::Start(this, raw_data);
 }
 
 void SupervisedUserCreationScreen::OnImageDecoded(
     const SkBitmap& decoded_image) {
   user_photo_ = gfx::ImageSkia::CreateFrom1xBitmap(decoded_image);
   if (apply_photo_after_decoding_)
     ApplyPicture();
@@ skipping 16 matching lines @@
     selected_image_ = user_manager::User::USER_IMAGE_EXTERNAL;
   } else {
     NOTREACHED() << "Unexpected image type: " << image_type;
   }
 }
 
 void SupervisedUserCreationScreen::OnImageAccepted() {
 }
 
 }  // namespace chromeos