[Cronet] Upload support for async APIs

components/cronet/android/cronet_url_request_adapter.cc

Index: components/cronet/android/cronet_url_request_adapter.cc
diff --git a/components/cronet/android/cronet_url_request_adapter.cc b/components/cronet/android/cronet_url_request_adapter.cc
index e16ebe1c49dc0a8f701c98514a4b0f7ab1da29b4..cf7c7092ace45a735a5128d41ddc817368aadfb8 100644
--- a/components/cronet/android/cronet_url_request_adapter.cc
+++ b/components/cronet/android/cronet_url_request_adapter.cc
@@ -58,6 +58,13 @@ bool CronetURLRequestAdapter::IsOnNetworkThread() const {
   return context_->GetNetworkTaskRunner()->BelongsToCurrentThread();
 }
 
+void CronetURLRequestAdapter::SetUpload(
+    scoped_ptr<net::UploadDataStream> upload) {
+  DCHECK(!IsOnNetworkThread());
+  DCHECK(!upload_.get());
+  upload_ = upload.Pass();
+}
+
 void CronetURLRequestAdapter::Start() {
   DCHECK(IsOnNetworkThread());
   VLOG(1) << "Starting chromium request: "
@@ -69,6 +76,8 @@ void CronetURLRequestAdapter::Start() {
   url_request_->set_method(initial_method_);
   url_request_->SetExtraRequestHeaders(initial_request_headers_);
   url_request_->SetPriority(initial_priority_);
+  if (upload_)
+    url_request_->set_upload(upload_.Pass());
   url_request_->Start();
 }