[downloads] Move platform specific code out of DownloadTargetDeterminer.

content/shell/browser/shell_download_manager_delegate.cc

Index: content/shell/browser/shell_download_manager_delegate.cc
diff --git a/content/shell/browser/shell_download_manager_delegate.cc b/content/shell/browser/shell_download_manager_delegate.cc
index cbe4a6577acdea19817013b35a4e688f7341a308..139992e8949de9436e6839f6479a825bdf78fb88 100644
--- a/content/shell/browser/shell_download_manager_delegate.cc
+++ b/content/shell/browser/shell_download_manager_delegate.cc
@@ -73,7 +73,7 @@ bool ShellDownloadManagerDelegate::DetermineDownloadTarget(
     callback.Run(download->GetForcedFilePath(),
                  DownloadItem::TARGET_DISPOSITION_OVERWRITE,
                  DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
-                 download->GetForcedFilePath());
+                 download->GetForcedFilePath(), DOWNLOAD_INTERRUPT_REASON_NONE);
     return true;
   }
 
@@ -141,7 +141,8 @@ void ShellDownloadManagerDelegate::OnDownloadPathGenerated(
     // Testing exit.
     callback.Run(suggested_path, DownloadItem::TARGET_DISPOSITION_OVERWRITE,
                  DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS,
-                 suggested_path.AddExtension(FILE_PATH_LITERAL(".crdownload")));
+                 suggested_path.AddExtension(FILE_PATH_LITERAL(".crdownload")),
+                 DOWNLOAD_INTERRUPT_REASON_NONE);
     return;
   }
 
@@ -185,7 +186,8 @@ void ShellDownloadManagerDelegate::ChooseDownloadPath(
 #endif
 
   callback.Run(result, DownloadItem::TARGET_DISPOSITION_PROMPT,
-               DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS, result);
+               DOWNLOAD_DANGER_TYPE_NOT_DANGEROUS, result,
+               DOWNLOAD_INTERRUPT_REASON_NONE);
 }
 
 void ShellDownloadManagerDelegate::SetDownloadBehaviorForTesting(