Revert of Fixing renderer's access to a file from HTTP POST (after a xsite transfer).

content/browser/frame_host/render_frame_host_impl.h

Index: content/browser/frame_host/render_frame_host_impl.h
diff --git a/content/browser/frame_host/render_frame_host_impl.h b/content/browser/frame_host/render_frame_host_impl.h
index 3dec6971a67e6939df84bf7609e2f213ff34bd4c..ff79b6539d8f71c412fb3d6fc03184722e22f48d 100644
--- a/content/browser/frame_host/render_frame_host_impl.h
+++ b/content/browser/frame_host/render_frame_host_impl.h
@@ -732,13 +732,6 @@
   // Informs the content client that geolocation permissions were used.
   void DidUseGeolocationPermission();
 
-  // Grants the current RenderProcessHost read access to any file listed in
-  // |body|.  It is important that the ResourceRequestBody has been validated
-  // upon receipt from the renderer process to prevent it from forging access to
-  // files without the user's consent.
-  void GrantFileAccessFromResourceRequestBody(
-      const ResourceRequestBodyImpl& body);
-
   void UpdatePermissionsForNavigation(
       const CommonNavigationParams& common_params,
       const RequestNavigationParams& request_params);