Add SetUploadDataStream method to URLFetcher.

net/url_request/url_fetcher_impl.cc

Index: net/url_request/url_fetcher_impl.cc
diff --git a/net/url_request/url_fetcher_impl.cc b/net/url_request/url_fetcher_impl.cc
index cdbd104f204079f46acffe2c21df32247008439b..f7493de4fd43d58e18f94c0dd021cea576f05c87 100644
--- a/net/url_request/url_fetcher_impl.cc
+++ b/net/url_request/url_fetcher_impl.cc
@@ -6,6 +6,7 @@
 
 #include "base/bind.h"
 #include "base/message_loop_proxy.h"
+#include "net/base/upload_data_stream.h"
 #include "net/url_request/url_fetcher_core.h"
 #include "net/url_request/url_fetcher_factory.h"
 
@@ -24,6 +25,12 @@ URLFetcherImpl::~URLFetcherImpl() {
   core_->Stop();
 }
 
+void URLFetcherImpl::SetUploadDataStream(
+    const std::string& upload_content_type,
+    scoped_ptr<UploadDataStream> upload_content) {
+  core_->SetUploadDataStream(upload_content_type, upload_content.Pass());
+}
+
 void URLFetcherImpl::SetUploadData(const std::string& upload_content_type,
                                    const std::string& upload_content) {
   core_->SetUploadData(upload_content_type, upload_content);