More POSIX support for Chromium, consisting mostly of broadening ifdefs. This

chrome/test/startup/feature_startup_test.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 "base/file_util.h"
 #include "base/path_service.h"
 #include "base/perftimer.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "chrome/app/chrome_command_ids.h"
@@ skipping 180 matching lines @@
   RunStartupTest("tab_complex_theme_cold", false /* cold */,
                  false /* not important */,
                  ProxyLauncher::COMPLEX_THEME);
 }
 
 // FLAKY: http://crbug.com/69940
 TEST_F(NewTabUIStartupTest, FLAKY_NewTabTimingTestsCold) {
   RunNewTabTimingTest();
 }
 
-#if defined(OS_LINUX)
+#if defined(TOOLKIT_USES_GTK)
 TEST_F(NewTabUIStartupTest, GtkThemeCold) {
   RunStartupTest("tab_gtk_theme_cold", false /* cold */,
                  false /* not important */,
                  ProxyLauncher::NATIVE_THEME);
 }
 
 TEST_F(NewTabUIStartupTest, NativeFrameCold) {
   RunStartupTest("tab_custom_frame_cold", false /* cold */,
                  false /* not important */,
                  ProxyLauncher::CUSTOM_FRAME);
 }
 
 TEST_F(NewTabUIStartupTest, NativeFrameGtkThemeCold) {
   RunStartupTest("tab_custom_frame_gtk_theme_cold", false /* cold */,
                  false /* not important */,
                  ProxyLauncher::CUSTOM_FRAME_NATIVE_THEME);
 }
 #endif
 
 }  // namespace