move file access permission logic to DownloadResourceThrottle

content/public/browser/android/download_controller_android.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_PUBLIC_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_ANDROID_H_
 #define CONTENT_PUBLIC_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_ANDROID_H_
 
 #include "base/callback.h"
 #include "content/common/content_export.h"
 #include "content/public/common/context_menu_params.h"
@@ skipping 32 matching lines @@
   virtual void DangerousDownloadValidated(
       WebContents* web_contents, int download_id, bool accept) = 0;
 
   // Callback when user permission prompt finishes. Args: whether file access
   // permission is acquired.
   typedef base::Callback<void(bool)> AcquireFileAccessPermissionCallback;
 
   // 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.
   virtual void SetApproveFileAccessRequestForTesting(bool approve) {};
 
  protected:
   virtual ~DownloadControllerAndroid() {};
   static DownloadControllerAndroid* download_controller_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_BROWSER_ANDROID_DOWNLOAD_CONTROLLER_ANDROID_H_