On Chrome OS, use the application locale to determine the default paper size ...

printing/emf_win_unittest.cc

 // Copyright (c) 2006-2008 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 "printing/emf_win.h"
 
 // For quick access.
 #include <wingdi.h>
 #include <winspool.h>
 
@@ skipping 60 matching lines @@
   if (IsTestCaseDisabled())
     return;
 
   printing::PrintSettings settings;
 
   // My test case is a HP Color LaserJet 4550 PCL.
   settings.set_device_name(L"UnitTest Printer");
 
   // Initialize it.
   scoped_ptr<printing::PrintingContext> context(
-      printing::PrintingContext::Create());
+      printing::PrintingContext::Create(std::string()));
   EXPECT_EQ(context->InitWithSettings(settings), printing::PrintingContext::OK);
 
   FilePath emf_file;
   EXPECT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &emf_file));
   emf_file = emf_file.Append(FILE_PATH_LITERAL("printing"))
                      .Append(FILE_PATH_LITERAL("test"))
                      .Append(FILE_PATH_LITERAL("data"))
                      .Append(FILE_PATH_LITERAL("test4.emf"));
   // Load any EMF with an image.
   printing::Emf emf;
@@ skipping 95 matching lines @@
   // Playback the data.
   hdc = CreateCompatibleDC(NULL);
   EXPECT_TRUE(hdc);
   EXPECT_TRUE(emf.CreateFromFile(metafile_path));
   RECT output_rect = {0, 0, 10, 10};
   EXPECT_TRUE(emf.Playback(hdc, &output_rect));
   EXPECT_TRUE(DeleteDC(hdc));
   emf.CloseEmf();
 }