Revert of [Download] Treat RESUMING_INTERNAL as IN_PROGRESS in DownloadItem.

content/browser/download/download_manager_impl.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/download_manager_impl.h"
 
 #include <iterator>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 366 matching lines @@
         (item_iterator->second->GetState() == DownloadItem::CANCELLED)) {
       // If the download is no longer known to the DownloadManager, then it was
       // removed after it was resumed. Ignore. If the download is cancelled
       // while resuming, then also ignore the request.
       info->request_handle->CancelRequest();
       if (!on_started.is_null())
         on_started.Run(NULL, DOWNLOAD_INTERRUPT_REASON_USER_CANCELED);
       return;
     }
     download = item_iterator->second;
-    DCHECK_EQ(download->GetState(), DownloadItem::IN_PROGRESS);
+    DCHECK_EQ(DownloadItem::INTERRUPTED, download->GetState());
     download->MergeOriginInfoOnResume(*info);
   }
 
   base::FilePath default_download_directory;
   if (delegate_) {
     base::FilePath website_save_directory;  // Unused
     bool skip_dir_check = false;            // Unused
     delegate_->GetSaveDir(GetBrowserContext(), &website_save_directory,
                           &default_download_directory, &skip_dir_check);
   }
@@ skipping 349 matching lines @@
   if (delegate_)
     delegate_->OpenDownload(download);
 }
 
 void DownloadManagerImpl::ShowDownloadInShell(DownloadItemImpl* download) {
   if (delegate_)
     delegate_->ShowDownloadInShell(download);
 }
 
 }  // namespace content