Send the decoded size when response completed and stop summing in ResourceLoader::DidReceiveData()

content/browser/loader/mojo_async_resource_handler.cc

Index: content/browser/loader/mojo_async_resource_handler.cc
diff --git a/content/browser/loader/mojo_async_resource_handler.cc b/content/browser/loader/mojo_async_resource_handler.cc
index 24735ccf3bf78098de8181cdbab6bc472fb0a96d..938915e34bc61a7c693aea3991ca1415c18365f2 100644
--- a/content/browser/loader/mojo_async_resource_handler.cc
+++ b/content/browser/loader/mojo_async_resource_handler.cc
@@ -400,8 +400,10 @@ MojoResult MojoAsyncResourceHandler::BeginWrite(void** data,
 
 MojoResult MojoAsyncResourceHandler::EndWrite(uint32_t written) {
   MojoResult result = mojo::EndWriteDataRaw(shared_writer_->writer(), written);
-  if (result == MOJO_RESULT_OK)
+  if (result == MOJO_RESULT_OK) {
+    total_written_bytes_ += written;
     handle_watcher_.ArmOrNotify();
+  }
   return result;
 }
 
@@ -452,6 +454,7 @@ void MojoAsyncResourceHandler::OnResponseCompleted(
   request_complete_data.encoded_data_length =
       request()->GetTotalReceivedBytes();
   request_complete_data.encoded_body_length = request()->GetRawBodyBytes();
+  request_complete_data.decoded_body_length = total_written_bytes_;
 
   url_loader_client_->OnComplete(request_complete_data);
   controller->Resume();