move file access permission logic to DownloadResourceThrottle

content/public/browser/android/download_controller_android.h

Index: content/public/browser/android/download_controller_android.h
diff --git a/content/public/browser/android/download_controller_android.h b/content/public/browser/android/download_controller_android.h
index 859a8a0a4e7d8decc7c92050308b351c81fe0a94..915d602744a591bf77aa48613c3f9f4399bde529 100644
--- a/content/public/browser/android/download_controller_android.h
+++ b/content/public/browser/android/download_controller_android.h
@@ -50,7 +50,8 @@ class CONTENT_EXPORT DownloadControllerAndroid {
   // Called to prompt the user for file access permission. When finished,
   // |callback| will be executed.
   virtual void AcquireFileAccessPermission(
-      WebContents* web_contents,
+      int render_process_id,
+      int render_view_id,
       const AcquireFileAccessPermissionCallback& callback) = 0;
 
   // Called by unit test to approve or disapprove file access request.