Only enable the Low Box token on Windows 8 and 8.1

content/browser/renderer_host/render_process_host_impl.cc

Index: content/browser/renderer_host/render_process_host_impl.cc
diff --git a/content/browser/renderer_host/render_process_host_impl.cc b/content/browser/renderer_host/render_process_host_impl.cc
index 7f5c54d7269afa60a068ec94c5f31114dd15c9f9..321faf71688bd9578d5b6a80ce74f7bd925fbb87 100644
--- a/content/browser/renderer_host/render_process_host_impl.cc
+++ b/content/browser/renderer_host/render_process_host_impl.cc
@@ -330,7 +330,8 @@ class RendererSandboxedProcessLauncherDelegate
                               bool* success) {
     AddBaseHandleClosePolicy(policy);
 
-    if (base::win::GetVersion() >= base::win::VERSION_WIN8) {
+    if (base::win::GetVersion() == base::win::VERSION_WIN8 ||
+        base::win::GetVersion() == base::win::VERSION_WIN8_1) {
       // TODO(shrikant): Check if these constants should be different across
       // various versions of Chromium code base or could be same.
       // If there should be different SID per channel then move this code