Fix GN missing headers in //base

chrome/browser/component_updater/pnacl_component_installer.cc

Index: chrome/browser/component_updater/pnacl_component_installer.cc
diff --git a/chrome/browser/component_updater/pnacl_component_installer.cc b/chrome/browser/component_updater/pnacl_component_installer.cc
index f3b747b42615421a323f39ba5920a63ab4102757..ed6b5b085dbead34e290e8b230d592806b12c7cf 100644
--- a/chrome/browser/component_updater/pnacl_component_installer.cc
+++ b/chrome/browser/component_updater/pnacl_component_installer.cc
@@ -23,7 +23,6 @@
 #include "base/strings/string_util.h"
 #include "base/values.h"
 #include "base/version.h"
-#include "base/win/windows_version.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/common/chrome_paths.h"
@@ -33,6 +32,10 @@
 #include "components/update_client/utils.h"
 #include "content/public/browser/browser_thread.h"
 
+#if defined(OS_WIN)
+#include "base/win/windows_version.h"
+#endif
+
 using content::BrowserThread;
 using update_client::CrxComponent;
 using update_client::UpdateQueryParams;