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

sandbox/win/src/address_sanitizer_test.cc

 // Copyright 2015 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 <stdio.h>
 
 #include "base/environment.h"
 #include "base/files/file_path.h"
 #include "base/files/file_util.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 70 matching lines @@
                                pdb_path.value().c_str()));
 
   env_->SetVar("ASAN_OPTIONS", "exitcode=123");
   if (asan_build) {
     int result = runner.RunTest(L"AddressSanitizerTests_Report");
     EXPECT_EQ(123, result);
 
     std::string data;
     ASSERT_TRUE(base::ReadFileToString(base::FilePath(temp_file_name), &data));
     // Redirection uses a feature that was added in Windows Vista.
-    if (base::win::GetVersion() >= base::win::VERSION_VISTA) {
-      ASSERT_TRUE(
-          strstr(data.c_str(), "ERROR: AddressSanitizer: heap-buffer-overflow"))
-          << "There doesn't seem to be an ASan report:\n" << data;
-      ASSERT_TRUE(strstr(data.c_str(), "AddressSanitizerTests_Report"))
-          << "The ASan report doesn't appear to be symbolized:\n" << data;
-      ASSERT_TRUE(strstr(data.c_str(), strrchr(__FILE__, '\\')))
-          << "The stack trace doesn't have a correct filename:\n" << data;
-    } else {
-      LOG(WARNING) << "Pre-Vista versions are not supported.";
-    }
+    ASSERT_TRUE(
+        strstr(data.c_str(), "ERROR: AddressSanitizer: heap-buffer-overflow"))
+        << "There doesn't seem to be an ASan report:\n" << data;
+    ASSERT_TRUE(strstr(data.c_str(), "AddressSanitizerTests_Report"))
+        << "The ASan report doesn't appear to be symbolized:\n" << data;
+    ASSERT_TRUE(strstr(data.c_str(), strrchr(__FILE__, '\\')))
+        << "The stack trace doesn't have a correct filename:\n" << data;
   } else {
     LOG(WARNING) << "Not an AddressSanitizer build, skipping the run.";
   }
 }
 
 }