favor DCHECK_CURRENTLY_ON for better logs in content/browser/[a-d]*

content/browser/download/save_package.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 "content/browser/download/save_package.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/files/file_path.h"
@@ skipping 273 matching lines @@
   download_manager_ = static_cast<DownloadManagerImpl*>(
       BrowserContext::GetDownloadManager(
           web_contents()->GetBrowserContext()));
   DCHECK(download_manager_);
 
   RecordSavePackageEvent(SAVE_PACKAGE_STARTED);
 }
 
 bool SavePackage::Init(
     const SavePackageDownloadCreatedCallback& download_created_callback) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   // Set proper running state.
   if (wait_state_ != INITIALIZE)
     return false;
 
   wait_state_ = START_PROCESS;
 
   // Initialize the request context and resource dispatcher.
   BrowserContext* browser_context = web_contents()->GetBrowserContext();
   if (!browser_context) {
     NOTREACHED();
@@ skipping 10 matching lines @@
        "multipart/related" : "text/html"),
       request_handle.Pass(),
       base::Bind(&SavePackage::InitWithDownloadItem, AsWeakPtr(),
                  download_created_callback));
   return true;
 }
 
 void SavePackage::InitWithDownloadItem(
     const SavePackageDownloadCreatedCallback& download_created_callback,
     DownloadItemImpl* item) {
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
   DCHECK(item);
   download_ = item;
   download_->AddObserver(this);
   // Confirm above didn't delete the tab out from under us.
   if (!download_created_callback.is_null())
     download_created_callback.Run(download_);
 
   // Check save type and process the save page job.
   if (save_type_ == SAVE_PAGE_TYPE_AS_COMPLETE_HTML) {
     // Get directory
@@ skipping 1098 matching lines @@
 
 void SavePackage::FinalizeDownloadEntry() {
   DCHECK(download_);
   DCHECK(download_manager_);
 
   download_manager_->OnSavePackageSuccessfullyFinished(download_);
   StopObservation();
 }
 
 }  // namespace content