[downloads] Move platform specific code out of DownloadTargetDeterminer.

chrome/browser/android/download/chrome_download_manager_overwrite_infobar_delegate.cc

Index: chrome/browser/android/download/chrome_download_manager_overwrite_infobar_delegate.cc
diff --git a/chrome/browser/android/download/chrome_download_manager_overwrite_infobar_delegate.cc b/chrome/browser/android/download/chrome_download_manager_overwrite_infobar_delegate.cc
index 5147a80235efec955d4387aa3649e56ce1914a06..c77718ccdf12f5f4944decd67ff9ff9500f24c01 100644
--- a/chrome/browser/android/download/chrome_download_manager_overwrite_infobar_delegate.cc
+++ b/chrome/browser/android/download/chrome_download_manager_overwrite_infobar_delegate.cc
@@ -28,7 +28,7 @@ void DeleteExistingDownloadFileDone(
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
   DownloadManagerService::GetInstance()->RemoveDownloadsForPath(
       download_path);
-  callback.Run(download_path);
+  callback.Run(DownloadConfirmationResult::CONFIRMED, download_path);
 }
 
 void DeleteExistingDownloadFile(
@@ -46,12 +46,13 @@ void DeleteExistingDownloadFile(
 
 void CreateNewFileDone(
     const DownloadTargetDeterminerDelegate::FileSelectedCallback& callback,
-    const base::FilePath& target_path, bool verified) {
+    const base::FilePath& target_path,
+    DownloadTargetResult result) {
   DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  if (verified)
-    callback.Run(target_path);
-  else
-    callback.Run(base::FilePath());
+  callback.Run(result == DownloadTargetResult::SUCCESS
+                   ? DownloadConfirmationResult::CONFIRMED
+                   : DownloadConfirmationResult::CANCELED,
+               target_path);
 }
 
 }  // namespace
@@ -142,7 +143,8 @@ std::string ChromeDownloadManagerOverwriteInfoBarDelegate::GetDirFullPath()
 }
 
 void ChromeDownloadManagerOverwriteInfoBarDelegate::InfoBarDismissed() {
-  file_selected_callback_.Run(base::FilePath());
+  file_selected_callback_.Run(DownloadConfirmationResult::CANCELED,
+                              base::FilePath());
   DownloadController::RecordDownloadCancelReason(
       DownloadController::CANCEL_REASON_OVERWRITE_INFOBAR_DISMISSED);
 }