Modify chrome to accept a pdf file on the command line and upload it to Cloud...

chrome/browser/printing/print_dialog_cloud_uitest.cc

Index: chrome/browser/printing/print_dialog_cloud_uitest.cc
===================================================================
--- chrome/browser/printing/print_dialog_cloud_uitest.cc	(revision 72336)
+++ chrome/browser/printing/print_dialog_cloud_uitest.cc	(working copy)
@@ -198,7 +198,10 @@
         test_data_directory_.AppendASCII("printing/cloud_print_uitest.pdf");
     BrowserThread::PostTask(
         BrowserThread::UI, FROM_HERE,
-        NewRunnableFunction(&PrintDialogCloud::CreateDialogImpl, path_to_pdf));
+        NewRunnableFunction(&PrintDialogCloud::CreateDialogImpl,
+                            path_to_pdf,
+                            string16(),
+                            true));
   }
 
   bool handler_added_;