Add chunked uploads support to SPDY

net/url_request/url_request.cc

Index: net/url_request/url_request.cc
diff --git a/net/url_request/url_request.cc b/net/url_request/url_request.cc
index e25bac697a92767fabc6255c19e83eb2fe516357..1116c64a0dcbd5c4db26c1b4e3b4e10822a8ade3 100644
--- a/net/url_request/url_request.cc
+++ b/net/url_request/url_request.cc
@@ -184,17 +184,12 @@ void URLRequest::EnableChunkedUpload() {
   }
 }
 
-void URLRequest::AppendChunkToUpload(const char* bytes, int bytes_len) {
+void URLRequest::AppendChunkToUpload(const char* bytes, int bytes_len,
+                                     bool is_last_chunk) {
   DCHECK(upload_);
   DCHECK(upload_->is_chunked());
   DCHECK_GT(bytes_len, 0);
-  upload_->AppendChunk(bytes, bytes_len);
-}
-
-void URLRequest::MarkEndOfChunks() {
-  DCHECK(upload_);
-  DCHECK(upload_->is_chunked());
-  upload_->AppendChunk(NULL, 0);
+  upload_->AppendChunk(bytes, bytes_len, is_last_chunk);
 }
 
 void URLRequest::set_upload(net::UploadData* upload) {