Prototype of chunked transfer encoded POST.

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 26a9da247bafa28df8affbaca15144b914aecb38..de882838b84a4eed3bbef9ec7d229379150e478b 100644
--- a/net/url_request/url_request.cc
+++ b/net/url_request/url_request.cc
@@ -102,6 +102,7 @@ URLRequest::URLRequest(const GURL& url, Delegate* delegate)
       delegate_(delegate),
       is_pending_(false),
       enable_profiling_(false),
+      chunked_transfer_upload_(false),
       redirect_limit_(kMaxRedirects),
       final_upload_progress_(0),
       priority_(net::LOWEST) {
@@ -160,6 +161,17 @@ void URLRequest::AppendFileRangeToUpload(
                            expected_modification_time);
 }
 
+void URLRequest::AppendChunkToUpload(const char* bytes, int bytes_len) {
+  DCHECK(bytes_len > 0);
+  DCHECK(upload_);
+  upload_->AppendChunk(bytes, bytes_len);
+}
+
+void URLRequest::MarkEndOfChunks() {
+  DCHECK(upload_);
+  upload_->AppendChunk(NULL, 0);
+}
+
 void URLRequest::set_upload(net::UploadData* upload) {
   upload_ = upload;
 }
@@ -316,6 +328,12 @@ GURL URLRequest::GetSanitizedReferrer() const {
 }
 
 void URLRequest::Start() {
+  if (chunked_transfer_upload_) {
+    DCHECK(!upload_);
+    upload_ = new UploadData();
+    upload_->set_is_chunked(true);
+  }
+
   StartJob(URLRequestJobManager::GetInstance()->CreateJob(this));
 }