moved upload progress logic from ResourceLoader to AsyncResourceHandler

content/browser/loader/detachable_resource_handler.cc

Index: content/browser/loader/detachable_resource_handler.cc
diff --git a/content/browser/loader/detachable_resource_handler.cc b/content/browser/loader/detachable_resource_handler.cc
index faff31cc0ea469c886d8b6c211ffd26e6190bee0..139a6299d3f475c5b8196a55e3acc754823681b7 100644
--- a/content/browser/loader/detachable_resource_handler.cc
+++ b/content/browser/loader/detachable_resource_handler.cc
@@ -87,13 +87,6 @@ void DetachableResourceHandler::SetController(ResourceController* controller) {
     next_handler_->SetController(this);
 }
 
-bool DetachableResourceHandler::OnUploadProgress(uint64 position, uint64 size) {
-  if (!next_handler_)
-    return true;
-
-  return next_handler_->OnUploadProgress(position, size);
-}
-
 bool DetachableResourceHandler::OnRequestRedirected(
     const net::RedirectInfo& redirect_info,
     ResourceResponse* response,