[downloads] Move platform specific code out of DownloadTargetDeterminer.

chrome/browser/android/download/chrome_duplicate_download_infobar_delegate.h

Index: chrome/browser/android/download/chrome_duplicate_download_infobar_delegate.h
diff --git a/chrome/browser/android/download/chrome_duplicate_download_infobar_delegate.h b/chrome/browser/android/download/chrome_duplicate_download_infobar_delegate.h
index 0962cbe90bbe29490789e7f10166f2efc3bc6a2f..6de397a873459f98c1780a9ac1dd67388ed7698f 100644
--- a/chrome/browser/android/download/chrome_duplicate_download_infobar_delegate.h
+++ b/chrome/browser/android/download/chrome_duplicate_download_infobar_delegate.h
@@ -29,7 +29,7 @@ class ChromeDuplicateDownloadInfoBarDelegate
       InfoBarService* infobar_service,
       content::DownloadItem* download_item,
       const base::FilePath& file_path,
-      const DownloadTargetDeterminerDelegate::FileSelectedCallback&
+      const DownloadTargetDeterminerDelegate::ConfirmationCallback&
           file_selected_callback);
 
   // content::DownloadItem::Observer
@@ -39,7 +39,7 @@ class ChromeDuplicateDownloadInfoBarDelegate
   ChromeDuplicateDownloadInfoBarDelegate(
       content::DownloadItem* download_item,
       const base::FilePath& file_path,
-      const DownloadTargetDeterminerDelegate::FileSelectedCallback& callback);
+      const DownloadTargetDeterminerDelegate::ConfirmationCallback& callback);
 
   // DownloadOverwriteInfoBarDelegate:
   infobars::InfoBarDelegate::InfoBarIdentifier GetIdentifier() const override;
@@ -63,7 +63,7 @@ class ChromeDuplicateDownloadInfoBarDelegate
 
   // A callback to download target determiner to notify that file selection
   // is made (or cancelled).
-  DownloadTargetDeterminerDelegate::FileSelectedCallback
+  DownloadTargetDeterminerDelegate::ConfirmationCallback
       file_selected_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ChromeDuplicateDownloadInfoBarDelegate);