Fix incognito_mode_prefs_unittest compile on Android.

chrome/browser/prefs/incognito_mode_prefs_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/prefs/incognito_mode_prefs.h"
 
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_pref_service.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 44 matching lines @@
 
 typedef IncognitoModePrefsTest IncognitoModePrefsDeathTest;
 
 // Takes too long to execute on Mac. http://crbug.com/101109
 #if defined(OS_MACOSX)
 #define MAYBE_GetAvailabilityBadValue DISABLED_GetAvailabilityBadValue
 #else
 #define MAYBE_GetAvailabilityBadValue GetAvailabilityBadValue
 #endif
 
+#if GTEST_HAS_DEATH_TEST
 TEST_F(IncognitoModePrefsDeathTest, MAYBE_GetAvailabilityBadValue) {
   prefs_.SetUserPref(prefs::kIncognitoModeAvailability,
                      Value::CreateIntegerValue(-1));
 #if defined(NDEBUG) && defined(DCHECK_ALWAYS_ON)
   EXPECT_DEATH({
     IncognitoModePrefs::Availability availability =
         IncognitoModePrefs::GetAvailability(&prefs_);
     EXPECT_EQ(IncognitoModePrefs::ENABLED, availability);
   }, "");
 #else
   EXPECT_DEBUG_DEATH({
     IncognitoModePrefs::Availability availability =
         IncognitoModePrefs::GetAvailability(&prefs_);
     EXPECT_EQ(IncognitoModePrefs::ENABLED, availability);
   }, "");
 #endif
 }
+#endif  // GTEST_HAS_DEATH_TEST