[downloads] Move platform specific code out of DownloadTargetDeterminer.

content/browser/download/download_item_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_
 
 #include <stdint.h>
 
 #include <memory>
 #include <string>
+#include <vector>
 
 #include "base/callback_forward.h"
 #include "base/files/file_path.h"
 #include "base/macros.h"
 #include "base/memory/weak_ptr.h"
 #include "base/observer_list.h"
 #include "base/time/time.h"
 #include "content/browser/download/download_destination_observer.h"
 #include "content/browser/download/download_net_log_parameters.h"
 #include "content/browser/download/download_request_handle.h"
@@ skipping 394 matching lines @@
 
   // Called when the target path has been determined. |target_path| is the
   // suggested target path. |disposition| indicates how the target path should
   // be used (see TargetDisposition). |danger_type| is the danger level of
   // |target_path| as determined by the caller. |intermediate_path| is the path
   // to use to store the download until OnDownloadCompleting() is called.
   virtual void OnDownloadTargetDetermined(
       const base::FilePath& target_path,
       TargetDisposition disposition,
       DownloadDangerType danger_type,
-      const base::FilePath& intermediate_path);
+      const base::FilePath& intermediate_path,
+      DownloadInterruptReason interrupt_reason);
 
   void OnDownloadRenamedToIntermediateName(
       DownloadInterruptReason reason, const base::FilePath& full_path);
 
+  void OnTargetResolved();
+
   // If all pre-requisites have been met, complete download processing, i.e. do
   // internal cleanup, file rename, and potentially auto-open.  (Dangerous
   // downloads still may block on user acceptance after this point.)
   void MaybeCompleteDownload();
 
   // Called when the download is ready to complete.
   // This may perform final rename if necessary and will eventually call
   // DownloadItem::Completed().
   void OnDownloadCompleting();
 
@@ skipping 184 matching lines @@
   // when the user closes the shelf before the item has been opened but should
   // be treated as though the user opened it.
   bool opened_ = false;
 
   // Time when the download was last accessed.
   base::Time last_access_time_;
 
   // Did the delegate delay calling Complete on this download?
   bool delegate_delayed_complete_ = false;
 
-  // Error return from DestinationError.  Stored separately from
-  // last_reason_ so that we can avoid handling destination errors until
-  // after file name determination has occurred.
-  DownloadInterruptReason destination_error_ = DOWNLOAD_INTERRUPT_REASON_NONE;
+  // Error return from DestinationError or received at Start().  Stored
+  // separately from last_reason_ so that we can avoid handling destination
+  // errors until after file name determination has occurred.
+  DownloadInterruptReason deferred_interrupt_reason_ =
+      DOWNLOAD_INTERRUPT_REASON_NONE;
 
   // The following fields describe the current state of the download file.
 
   // DownloadFile associated with this download.  Note that this
   // pointer may only be used or destroyed on the FILE thread.
   // This pointer will be non-null only while the DownloadItem is in
   // the IN_PROGRESS state.
   std::unique_ptr<DownloadFile> download_file_;
 
   // Full path to the downloaded or downloading file. This is the path to the
@@ skipping 46 matching lines @@
   std::unique_ptr<DownloadJob> job_;
 
   base::WeakPtrFactory<DownloadItemImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(DownloadItemImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_ITEM_IMPL_H_