[Net] Fix error handling on wrong file in UploadData

chrome_frame/urlmon_upload_data_stream.cc

Index: chrome_frame/urlmon_upload_data_stream.cc
diff --git a/chrome_frame/urlmon_upload_data_stream.cc b/chrome_frame/urlmon_upload_data_stream.cc
index f825f3f87c317a4b14ae396225b96f5a9b8837ed..2fe2ed0b71f0d1a26ecbb7380d6b628f330055a3 100644
--- a/chrome_frame/urlmon_upload_data_stream.cc
+++ b/chrome_frame/urlmon_upload_data_stream.cc
@@ -59,11 +59,10 @@ net::UploadDataStream* CreateUploadDataStream(net::UploadData* upload_data) {
 
 }  // namespace
 
-void UrlmonUploadDataStream::Initialize(net::UploadData* upload_data) {
+bool UrlmonUploadDataStream::Initialize(net::UploadData* upload_data) {
   upload_data_ = upload_data;
   request_body_stream_.reset(CreateUploadDataStream(upload_data));
-  const int result = request_body_stream_->Init(net::CompletionCallback());
-  DCHECK_EQ(net::OK, result);
+  return request_body_stream_->Init(net::CompletionCallback()) == net::OK;
 }
 
 STDMETHODIMP UrlmonUploadDataStream::Read(void* pv, ULONG cb, ULONG* read) {