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

chrome/browser/printing/print_dialog_cloud_uitest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/printing/print_dialog_cloud.h"
 #include "chrome/browser/printing/print_dialog_cloud_internal.h"
 
 #include <functional>
 
 #include "base/file_path.h"
@@ skipping 180 matching lines @@
     }
 
     CreateDialogForTest();
   }
 
   void CreateDialogForTest() {
     FilePath path_to_pdf =
         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_;
   std::string scheme_;
   std::string host_name_;
   FilePath test_data_directory_;
   AutoQuitDelegate delegate_;
 };
 
 net::URLRequestJob* PrintDialogCloudTest::Factory(net::URLRequest* request,
@@ skipping 36 matching lines @@
 
   std::wstring window_print(L"window.print()");
   browser()->GetSelectedTabContents()->render_view_host()->
       ExecuteJavascriptInWebFrame(std::wstring(), window_print);
 
   ui_test_utils::RunMessageLoop();
 
   ASSERT_TRUE(TestController::GetInstance()->result());
 }
 #endif