Removes get upload progress plumbing. URLRequest queries the UploadDataStream directly.

net/base/upload_data_stream.cc

Index: net/base/upload_data_stream.cc
diff --git a/net/base/upload_data_stream.cc b/net/base/upload_data_stream.cc
index bfcb44a0b7d068e2afc660b95b6131e0ba4bf10a..9e40f10c343c0b4b04bded435f0e7bf63e637737 100644
--- a/net/base/upload_data_stream.cc
+++ b/net/base/upload_data_stream.cc
@@ -188,4 +188,12 @@ void UploadDataStream::OnReadCompleted(int result) {
     base::ResetAndReturn(&callback_).Run(result);
 }
 
+UploadProgress UploadDataStream::GetUploadProgress() const {
+  // While initialization / rewinding is in progress, return nothing.
+  if (!initialized_successfully_)
+    return UploadProgress();
+
+  return UploadProgress(current_position_, total_size_);
+}
+
 }  // namespace net