Added the ability to set the upload file path

chrome/browser/local_discovery/privet_http_impl.cc

Index: chrome/browser/local_discovery/privet_http_impl.cc
diff --git a/chrome/browser/local_discovery/privet_http_impl.cc b/chrome/browser/local_discovery/privet_http_impl.cc
index 9592fc6455dda349a525f50b5f20fe0083be8afe..4a56f4f12de0b053f9daf03448221bc669917393 100644
--- a/chrome/browser/local_discovery/privet_http_impl.cc
+++ b/chrome/browser/local_discovery/privet_http_impl.cc
@@ -487,10 +487,16 @@ void PrivetLocalPrintOperationImpl::DoSubmitdoc() {
   url_fetcher_= privet_client_->CreateURLFetcher(
       url, net::URLFetcher::POST, this);
 
-  DCHECK(!data_.empty());
-  url_fetcher_->SetUploadData(
-      use_pdf_ ? kPrivetContentTypePDF : kPrivetContentTypePWGRaster,
-      data_);
+  std::string content_type =
+      use_pdf_ ? kPrivetContentTypePDF : kPrivetContentTypePWGRaster;
+
+  DCHECK(!data_.empty() || !data_file_.empty());
+
+  if (!data_file_.empty()) {
+    url_fetcher_->SetUploadFilePath(content_type, data_file_);
+  } else {
+    url_fetcher_->SetUploadData(content_type, data_);
+  }
 
   url_fetcher_->Start();
 }
@@ -609,13 +615,19 @@ void PrivetLocalPrintOperationImpl::OnNeedPrivetToken(
 
 void PrivetLocalPrintOperationImpl::SendData(const std::string& data) {
   DCHECK(started_);
+  DCHECK(data_file_.empty());
   data_ = data;
 
-  if (has_extended_workflow_ && !ticket_.empty()) {
-    DoCreatejob();
-  } else {
-    DoSubmitdoc();
-  }
+  SendDataInternal();
+}
+
+void PrivetLocalPrintOperationImpl::SendDataFile(
+    const base::FilePath& data_file) {
+  DCHECK(started_);
+  DCHECK(data_.empty());
+  data_file_ = data_file;
+
+  SendDataInternal();
 }
 
 void PrivetLocalPrintOperationImpl::SetTicket(const std::string& ticket) {
@@ -638,6 +650,14 @@ void PrivetLocalPrintOperationImpl::SetOffline(bool offline) {
   offline_ = offline;
 }
 
+void PrivetLocalPrintOperationImpl::SendDataInternal() {
+  if (has_extended_workflow_ && !ticket_.empty()) {
+    DoCreatejob();
+  } else {
+    DoSubmitdoc();
+  }
+}
+
 PrivetHTTPClientImpl::PrivetHTTPClientImpl(
     const std::string& name,
     const net::HostPortPair& host_port,