Move SelectFileDialog implementation to ui/base/dialogs/

chrome/browser/ui/views/select_file_dialog_win_unittest.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/ui/select_file_dialog.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+// This function is declared extern such that it is accessible for unit tests
+// in /chrome/browser/ui/views/select_file_dialog_win_unittest.cc
+extern std::wstring AppendExtensionIfNeeded(const std::wstring& filename,
+                                            const std::wstring& filter_selected,
+                                            const std::wstring& suggested_ext);
+
 TEST(ShellDialogsWin, AppendExtensionIfNeeded) {
   struct AppendExtensionTestCase {
     wchar_t* filename;
     wchar_t* filter_selected;
     wchar_t* suggested_ext;
     wchar_t* expected_filename;
   } test_cases[] = {
     // Known extensions, with or without associated MIME types, should not get
     // an extension appended.
     { L"sample.html",    L"*.txt",     L"txt",     L"sample.html" },
@@ skipping 17 matching lines @@
     { L"sample.unknown", L"*.*",       L"",        L"sample.unknown" },
   };
 
   for (size_t i = 0; i < arraysize(test_cases); ++i) {
     EXPECT_EQ(std::wstring(test_cases[i].expected_filename),
               AppendExtensionIfNeeded(test_cases[i].filename,
                                       test_cases[i].filter_selected,
                                       test_cases[i].suggested_ext));
   }
 }