Base for Ash browser_tests on Win8.

chrome/test/base/test_switches.h

Index: chrome/test/base/test_switches.h
diff --git a/chrome/test/base/test_switches.h b/chrome/test/base/test_switches.h
index c37e71992dbf901b386074236505795d40a86a1d..12496be389d213e57cc3af113b6fe4558ceb54de 100644
--- a/chrome/test/base/test_switches.h
+++ b/chrome/test/base/test_switches.h
@@ -5,6 +5,8 @@
 #ifndef CHROME_TEST_BASE_TEST_SWITCHES_H_
 #define CHROME_TEST_BASE_TEST_SWITCHES_H_
 
+#include "build/build_config.h"
+
 namespace switches {
 
 // All switches in alphabetical order. The switches should be documented
@@ -16,6 +18,10 @@ extern const char kEnableErrorDialogs[];
 extern const char kPageCyclerIterations[];
 extern const char kTestingChannel[];
 
+#if defined(OS_WIN) && defined(USE_AURA)
+extern const char kAshBrowserTests[];
+#endif
+
 }  // namespace switches
 
 #endif  // CHROME_TEST_BASE_TEST_SWITCHES_H_