[Download] Return DownloadInterruptReason from OnStartedCallback

chrome/browser/extensions/api/image_writer_private/write_from_url_operation.cc

 // Copyright 2013 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 "base/file_util.h"
 #include "base/threading/worker_pool.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/extensions/api/image_writer_private/error_messages.h"
 #include "chrome/browser/extensions/api/image_writer_private/operation_manager.h"
 #include "chrome/browser/extensions/api/image_writer_private/write_from_url_operation.h"
@@ skipping 90 matching lines @@
   }
 
   download_params->set_callback(
       base::Bind(&WriteFromUrlOperation::OnDownloadStarted, this));
 
   content::DownloadManager* download_manager =
     content::BrowserContext::GetDownloadManager(current_profile);
   download_manager->DownloadUrl(download_params.Pass());
 }
 
-void WriteFromUrlOperation::OnDownloadStarted(content::DownloadItem* item,
-                                              net::Error error) {
+void WriteFromUrlOperation::OnDownloadStarted(
+    content::DownloadItem* item,
+    content::DownloadInterruptReason interrupt_reason) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (download_stopped_) {
     // At this point DownloadCleanUp was called but the |download_| wasn't
     // stored yet and still hasn't been cancelled.
     item->Cancel(true);
     return;
   }
 
   if (item) {
-    DCHECK_EQ(net::OK, error);
+    DCHECK_EQ(content::DOWNLOAD_INTERRUPT_REASON_NONE, interrupt_reason);
 
     download_ = item;
     download_->AddObserver(this);
 
     // Run at least once.
     OnDownloadUpdated(download_);
   } else {
-    DCHECK_NE(net::OK, error);
+    DCHECK_NE(content::DOWNLOAD_INTERRUPT_REASON_NONE, interrupt_reason);
     std::string error_message = ErrorUtils::FormatErrorMessage(
         "Download failed: *",
-        net::ErrorToString(error));
+        content::DownloadInterruptReasonToString(interrupt_reason));
     Error(error_message);
   }
 }
 
 // Always called from the UI thread.
 void WriteFromUrlOperation::OnDownloadUpdated(content::DownloadItem* download) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   if (download_stopped_) {
     return;
@@ skipping 105 matching lines @@
   DVLOG(1) << "Download verification complete.";
 
   SetProgress(kProgressComplete);
 
   scoped_ptr<base::FilePath> download_path(new base::FilePath(download_path_));
   UnzipStart(download_path.Pass());
 }
 
 } // namespace image_writer
 } // namespace extensions