Fix GN missing headers in //base

chrome/test/nacl/nacl_browsertest.cc

Index: chrome/test/nacl/nacl_browsertest.cc
diff --git a/chrome/test/nacl/nacl_browsertest.cc b/chrome/test/nacl/nacl_browsertest.cc
index 553ff052c289cf5ef1ce0eb0fe8bcbe750869448..b2fbdf4f48fcdccd86efd45f440e4de17371d986 100644
--- a/chrome/test/nacl/nacl_browsertest.cc
+++ b/chrome/test/nacl/nacl_browsertest.cc
@@ -18,7 +18,6 @@
 #include "base/process/launch.h"
 #include "base/process/process.h"
 #include "base/strings/string_number_conversions.h"
-#include "base/win/windows_version.h"
 #include "build/build_config.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
@@ -27,6 +26,10 @@
 #include "components/nacl/common/nacl_switches.h"
 #include "content/public/common/content_switches.h"
 
+#if defined(OS_WIN)
+#include "base/win/windows_version.h"
+#endif
+
 namespace {
 
 #if defined(OS_WIN)