Add --headless flag to Windows

headless/lib/browser/headless_printing_unittest.cc

 // Copyright 2017 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 "base/memory/ptr_util.h"
 #include "base/values.h"
 #include "headless/lib/browser/headless_devtools_manager_delegate.h"
 #include "headless/lib/browser/headless_print_manager.h"
 #include "printing/features/features.h"
 #include "printing/units.h"
@@ skipping 139 matching lines @@
 }
 
 TEST(PageRangeTextToPagesTest, General) {
   using PM = printing::HeadlessPrintManager;
   std::vector<int> pages;
   std::vector<int> expected_pages;
 
   PM::PageRangeStatus status = PM::PageRangeTextToPages("-", 10, &pages);
   expected_pages = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
   EXPECT_EQ(expected_pages, pages);
-  EXPECT_EQ(PM::NO_ERROR, status);
+  EXPECT_EQ(PM::PRINT_NO_ERROR, status);
 
   status = PM::PageRangeTextToPages("-5", 10, &pages);
   expected_pages = {0, 1, 2, 3, 4};
   EXPECT_EQ(expected_pages, pages);
-  EXPECT_EQ(PM::NO_ERROR, status);
+  EXPECT_EQ(PM::PRINT_NO_ERROR, status);
 
   status = PM::PageRangeTextToPages("5-", 10, &pages);
   expected_pages = {4, 5, 6, 7, 8, 9};
   EXPECT_EQ(expected_pages, pages);
-  EXPECT_EQ(PM::NO_ERROR, status);
+  EXPECT_EQ(PM::PRINT_NO_ERROR, status);
 
   status = PM::PageRangeTextToPages("1-3,9-10,4-6", 10, &pages);
   expected_pages = {0, 1, 2, 3, 4, 5, 8, 9};
   EXPECT_EQ(expected_pages, pages);
-  EXPECT_EQ(PM::NO_ERROR, status);
+  EXPECT_EQ(PM::PRINT_NO_ERROR, status);
 
   status = PM::PageRangeTextToPages("1- 3, 9-10,4 -6", 10, &pages);
   expected_pages = {0, 1, 2, 3, 4, 5, 8, 9};
   EXPECT_EQ(expected_pages, pages);
-  EXPECT_EQ(PM::NO_ERROR, status);
+  EXPECT_EQ(PM::PRINT_NO_ERROR, status);
 
   status = PM::PageRangeTextToPages("1-3,9-10,4-6", 5, &pages);
   EXPECT_EQ(PM::LIMIT_ERROR, status);
 
   status = PM::PageRangeTextToPages("abcd", 10, &pages);
   EXPECT_EQ(PM::SYNTAX_ERROR, status);
 
   status = PM::PageRangeTextToPages("1-3,9-a10,4-6", 10, &pages);
   EXPECT_EQ(PM::SYNTAX_ERROR, status);
 }
 
 }  // namespace headless