Cleanup/Remove Windows XP/Vista version checks from Windows sandbox code

sandbox/win/src/integrity_level_test.cc

Index: sandbox/win/src/integrity_level_test.cc
diff --git a/sandbox/win/src/integrity_level_test.cc b/sandbox/win/src/integrity_level_test.cc
index f962033ca56d07cf6edfc7a6c650afd158127ec5..1eef869a01758dd7dfdf31e4089aca16dc46b62c 100644
--- a/sandbox/win/src/integrity_level_test.cc
+++ b/sandbox/win/src/integrity_level_test.cc
@@ -45,8 +45,6 @@ SBOX_TESTS_COMMAND int CheckIntegrityLevel(int argc, wchar_t **argv) {
 }
 
 TEST(IntegrityLevelTest, TestLowILReal) {
-  if (base::win::GetVersion() != base::win::VERSION_VISTA)
-    return;
 
   TestRunner runner(JOB_LOCKDOWN, USER_INTERACTIVE, USER_INTERACTIVE);
 
@@ -62,8 +60,6 @@ TEST(IntegrityLevelTest, TestLowILReal) {
 }
 
 TEST(DelayedIntegrityLevelTest, TestLowILDelayed) {
-  if (base::win::GetVersion() != base::win::VERSION_VISTA)
-    return;
 
   TestRunner runner(JOB_LOCKDOWN, USER_INTERACTIVE, USER_INTERACTIVE);
 
@@ -78,8 +74,6 @@ TEST(DelayedIntegrityLevelTest, TestLowILDelayed) {
 }
 
 TEST(IntegrityLevelTest, TestNoILChange) {
-  if (base::win::GetVersion() != base::win::VERSION_VISTA)
-    return;
 
   TestRunner runner(JOB_LOCKDOWN, USER_INTERACTIVE, USER_INTERACTIVE);